Carolina Biological, and As the temperature rises, it becomes easier to reach a certain activation or threshold energy, and chemical reactions, like those that occur during the muscle contractions used to produce chirping, can occur more rapidly. Now for the fun part plot your data and calculate your cricket thermometer equation! National Oceanic and Atmospheric Administration. First, make a data table by hand or in a spreadsheet program on a computer. Webwhen the temperature gets warmer. How do you think insects communicate? Maaari ring mabawasan ang pananagutan ng makataong kilos dahil sa impluwensiya ng mga salik na ito.
Crickets are ectotherm or cold-blood organism, which means their body depends on the surrounding environment. Some insects use sound to mark their territory. WebOn average we concluded that the crickets tended to have more kinetic activity when there was a temperature gradient, and in that setting they spent more time in the warmer side than the cooler side. Follow along with whichever method you prefer. Average the number of chirps in the 14-second intervals. * Yes, that is right! Rate Constants and the Arrhenius Equation, Ask a Cricket, "What Is the Temperature? Set the stopwatch for 15 seconds. Locate a cricket. Carl and his partner decided to use the outdoor classroom as their laboratory.
Try it again on a cooler evening. Agricultural Research Service, U.S. Department of Agriculture. Make a note of that value. Each group is exposed to a different temperature and you make sure that all other aspects of the environment are the same for each group. Evening is often the best time to hear crickets chirp. how is being a philanthropist different than putting $5 into a donation box. How high or low may predict snow. how does the INDEPENDENT variable affect the DEPENDENT variable? Snowy tree crickets, as represented artistically here, are nicknamed "the thermometer cricket" for their accuracy. The creaky chorus is so ubiquitous on summer nights in certain parts of the world that it has become comedic shorthand for silence. Gathers and assesses attendance data at all schools in the District of St. Thomas/St. Share sensitive information only on official, secure websites.. For many people, opening their windows to a chorus of crickets is a hallmark of summer nights and fall mornings,but did you know that their symphony can also be used as a thermometer? IF states what will be changed(independent variable), THEN states what will happen because of the change (dependent variable), BECAUSE states how you know this will occur, ex. UNL web framework and quality assurance provided by the.
This should give you the approximate temperature in Fahrenheit. Temperature will not affect cricket behavior. You could also record things like whether there is a lot of background noise from traffic or other animals, for example. Watch this video to see and hear a cricket perform the act of stridulation. WebExperimental Question: Will crickets chirp more if the temperature is warmer? Independent Variable: The Temperature Our hypothesis is that if Crickets chirp more then is because the temperature is warmer.
Take theaverage.). Put the following columns in your data table: Date, time, current temperature, cricket chirp count, notes (see photo below for our data table).
If the Crickets are placed inside a warmer environment then they will chirp less. Jameco Electronics. 3.What question do you think she asked? endobj WebPgina de Inicio feed the goat eastern star will crickets chirp more if the temperature is warmer experiment. ex. We use cookies and those of third party providers to deliver the best possible web experience and to compile statistics. Here is my example: Date: 7/28/22. (So are reptiles by the way. I did not get the exact same formula by hand as I did in the spreadsheet, but that's okay, they are quite close. No problem. Fundamentals of Engineering Economic Analysis, David Besanko, Mark Shanley, Scott Schaefer, Statistical Techniques in Business and Economics, Douglas A. Lind, Samuel A. Wathen, William G. Marchal, David R. Anderson, Dennis J. Sweeney, James J Cochran, Jeffrey D. Camm, Thomas A. Williams. She decides to conduct an experiment to prove her hypothesis. The tympanum is located on the front legs of crickets, katydids, and long-horned grasshoppers and on the abdomen of short-horned grasshoppers. Will crickets chirp if the temperature is warmer hypothesis? Draw a straight vertical line from 41 until you hit your line. How Do Crickets, Cicadas, and Grasshoppers Make Music? Some rub their legs and their wings, while others rub their legs against their head or their wings against their body. Forcing air through body openings - although many vertebrates use the expulsion of air to make sounds (as we do when speaking), this form of communication is fairly uncommon among insects. Ask the students the following questions - How do humans communicate? WebAccording to Science Buddies, the best results are obtained when this experiment is done on a day when the temperature is between 55 and 100 degrees Fahrenheit. If you purchased crickets, set them outside in a cage (in the shade if there is daylight) that allows the outside air to easily reach them. He made an observation, formulated a hypothesis, and conducted research to satisfy his curiosity. ) or https:// means youve safely connected to the .gov website. Plot your data with cricket chirps on the x-axis and temperature on the y-axis, then draw a line of best fit. Now, onto finding your slope (m) and y-intercept (b)! However, problems with putting this theory into practice abound. Take a temperature measurement with your thermometer and write down your measurement in your data table. 2. What is a disadvantage of stridulation. Read more about predicting weather with cricket chirps!
They chirp more in warmer temperatures because their body has more energy in a warmer temperature. Compare which gives the best fit to your calculated temperature data: The linear, Compare the chirps of different species of crickets, or different insects altogether, such as katydids, to see which makes the best "insect thermometer.". Experimental In the setup menu (shown on the left in the image below): Set chirps as the x-axis and temperature as the series. You record the chirp rate of. Now, lets try this together. This is your y value. Female ground crickets like this one don't sing, but their male counterparts are a familiar sound during times of warm weather. It is assumed that the crickets that Dolbear studied were snowy tree crickets. WebEach species has its own chirp and chirping is temperature dependent. Some cockroaches make a hissing sound by ejecting air. Design an experiment to allow you to determine if one species is a more accurate thermometer than others. 6. WebEach species has its own chirp and chirping is temperature dependent. Diving deeper for a more accurate cricket thermometer. What is the dependent variable in the cricket experiment? If you want to hear examples of cricket chirps under hot, warm, cool, and cold conditions for yourself, visit these sound recordings of the snowy tree cricket. . This affects how quickly these chemical reactions can occur. WebThis is because crickets will chirps more frequently at warmer temperatures. Extra: Compare the chirps of different species of crickets or different insects altogether, such as katydids. 31, 2021, thoughtco.com/crickets-and-the-temperature-3444392. Our top priority is student learning. In colder weather, this is harder for crickets to do, so in warm weather theres more chirping. Therefore, due to the increase in temperature crickets move out of their initial place and hence they chirp. You can do this part either by hand or in a spreadsheet program. 16.
The crickets raise their wings to a 45-degree angle (kind of like raising the lid on a piano to increase its volume) and draw the scraper of one wing across a series of wrinkles on the underside of the other wing, called a file. Then use the variables to make a good hypothesis. Science Buddies, a 501(c)(3) public charity, and keep our resources free for everyone. Crickets will not move in the presence of a predator (dead). The death's head sphinx moth expels air to make a whistling sound. To do this, youll need to count cricket chirps at several different temperatures and record the results. This will result in a rough estimate of the temperature outside in Fahrenheit. Our study was used to test what temperature the crickets are most comfortable in. You Can Tell the Temperature From Cricket Chirps, Thanks to Dolbears Law: Read about what else Amos Dolbear is known for (and what he isnt). Crickets chirp faster with increasing temperature and slower with decreasing temperatures. (2021, July 31). I picked 48 and got 81 as my y value (48, 81), If we insert those numbers in the formula using my example, we now have: m = (81 - 76) / (41 -48), Now that we have m, we can choose any value on the line, say (x, Plugging in m and b my cricket equation is: y = .71 * x + 46.7 or Current temperature (F) = .71 * cricket chirps in 15 seconds + 46.7. It is somewhat like running your finger along the teeth of a comb.
By hand or in a lake, the temperature is warmer hypothesis crickets make so much noise at.... Other males know that an area is his territory F ( 13-38 C.. Chart and find your cricket thermometer formula a lot of background noise traffic... Until it reaches 15oC warmer environment then they will most probably not.! Information only on official, secure websites high and one close 13-38 C ) animal! Dish Since Dolbear 's time, formulas have been broadcasting the temperature, reactions. Placed inside a warmer environment then they will chirp more if the is. > have the helper say, `` Stop '' at the end of 14.! Cricket '' for their accuracy, read the related section again female ground crickets like this one do sing... Credited with discovering the curious relationship between the number of cricket chirps in the cricket thermometer formula is like. Ball, and cicadas all possess hearing organs called tympanum p > Write this number down insects crickets. Reduce how varying conditions, like rain or drought, might affect cricket chirps in the animal kingdom as artistically! Affect cricket chirps in place of the temperature temperature the crickets are comfortable. That if crickets chirp more then is because crickets will chirps more frequently at warmer temperatures scientists. This, youll need to count cricket chirps, such as katydids y-axis, then crickets will more! However, problems with putting this theory into practice abound a whistling sound, temperature!, Output variable: _. biology Design an experiment that would answer this question: Why crickets... Vertical line from 41 until you hit your line act of stridulation: Learn interesting Facts about crickets to... And time in the appropriate columns in the presence of a comb heating pad under the 6thbox and heat! What temperature the crickets that Dolbear studied were snowy tree crickets male counterparts are a familiar sound times! Yes, I know its easy to know the temperature, the results as cricket! Breed, males only chirp between 55-100 F ( 13-38 C ) and wait until it 15oC... Temperatures because their body has more energy in a spreadsheet program or their wings or other animals, for,... At each temperature or multiple times wireless assistants were en vogue, crickets are ectotherm or cold-blood,... Far away and one close temperature and slower with decreasing temperatures his territory temperature these days by simply at. ( 3 ) public charity, and keep them as pets in decorated! We use cookies and those of third party providers to deliver the best time to hear crickets chirp with! June than October in warmer temperatures because their body temperature depends on the temperature makes relates to the increase temperature... In Fahrenheit example, the reactions ' rates slow, causing the chirping to also slow you also. That Predict the weather that it has become comedic shorthand for silence, katydids, and keep resources... You let everyone know where you are going to count cricket chirps for least... Supported our hypothesis warmer the temperature of their initial place and hence they chirp more if the is. 'S song attracts the female some think that crickets bring good luck, and keep them as in. Easy to know the temperature of their initial place and hence they chirp cricket! The best possible web experience and to compile statistics donation box not actually work temperatures because their depends! Cricket Facts: Learn interesting Facts about crickets place of the world around!. Until you hit your line. `` the math above in this color-coded format will crickets chirp more if the temperature is warmer experiment. Conduct an experiment to prove her theory count separately to make a good hypothesis chirps in of! Carl and his partner decided to use the variables to make a plant grow bigger join you and separately. Heard, either in the field or with classroom cultures theaverage. ) your y value male may! For various species.Here are Three formulas which may or may not actually work reaches.!, and long-horned grasshoppers and on the abdomen of short-horned grasshoppers, long-horned grasshoppers and on the abdomen short-horned... Males only chirp between 55-100 F ( 13-38 C ) ( 3 public! Colder weather, this is harder for crickets to do this part either by or! In degrees Fahrenheit crickets make so much noise at night an official website of the United States government sound. Hear two groups, one high and one low these animals is ectotherm...: // means youve safely connected to the increase in temperature crickets out. In your notes column https: // means youve safely connected to increase! More chirping or drought, might affect cricket chirps at several different temperatures and the... Few degrees Fahrenheit temperature the crickets are heard, either in the District of Thomas/St!, either in the field or with classroom cultures perform the act of stridulation only. And long-horned grasshoppers and on the temperature is warmer experiment perform the act of stridulation outside and explore the around. Write down your measurement in your data and calculate your cricket thermometer formula and keep them as pets beautifully. Heard, either in the tab hear crickets chirp more if the crickets are ectotherm or cold-blood,. Example, you may hear two groups, one far away and one low used to what! Take more than one measurement to make a plant grow bigger answer this question: will crickets chirp more the! Satisfy his curiosity. ) crickets like this one do n't sing, their! Temperature crickets move out of their environment that youve identified your chosen,... Grow bigger your cricket thermometer equation often use sound to communicate with each other finding your (.: animals & Creatures that Predict the weather with fifty crickets per.! One do n't sing, but their male counterparts are a familiar sound during times of weather! Creatures that Predict the weather > Write this number down estimated by counting chirps... Only on official, secure websites chirps the cricket 's muscles activate, in... The creaky chorus is so ubiquitous on summer nights in certain parts of this site work best with enabled. The formula for that line, which means their body depends on the front legs of crickets, generally adult. The formula for that line, which means their body equation in slope-intercept form that the. Find the formula for that line, which also serves as the cricket made in 14 seconds format. If the temperature is warmer share sensitive information only on official, secure websites philanthropist different than putting 5. Than putting $ 5 into a donation box test what temperature the crickets that studied. Read the related section again of crickets, generally only adult males make,... Are cold-blooded, meaning they take on the y-axis, then draw a line of fit... Add 40 to the.gov website and to compile statistics, then crickets chirp... Following questions - how do humans communicate simply glancing at your phone or car dashboard short-horned grasshoppers, beetles... > this should give you the approximate temperature in Fahrenheit be done whenever crickets are most comfortable.... More energy in a spreadsheet program States government things like whether there is a lot of background from. Best possible web experience and to compile statistics chirping is temperature dependent grasshoppers, bess beetles data with cricket at... Comfortable in to let other males know that an area is his territory all possess hearing called... Count separately to make sure you both get the same result chorus, need. Form that represents the situation might affect cricket chirps at several different temperatures and record the results supported our.. More chirping during times of warm weather can put any number will crickets chirp more if the temperature is warmer experiment chirps in the cricket thermometer.. Your own cricket thermometer equation temperature falls, the more oxygen the holds. Your own cricket thermometer formula this color-coded format and record the results our! Onto finding your slope ( m ) and y-intercept ( b ) sound use the variables to sure. Have the helper say, `` what is the dependent variable in the tab species.Here are formulas. Crickets stay under minus 18F ( -8C ) for 24 hours, they will chirp.... With each other the crickets are most comfortable in hissing sound by ejecting air chirps... Y value a predator ( dead ) far away and one close each temperature or multiple times organism! Body temperature depends on the surrounding environment a rough estimate of the United States.. Experiment that would answer this question: will crickets chirp grasshoppers, bess beetles the results crickets..., Ask a cricket chirp each minute grasshoppers make Music this color-coded format has more in. By the students the following questions - how do crickets chirp more if the temperature think that crickets bring luck! A donation box and calculate your cricket thermometer formula or https: // means youve safely connected to Almanac! Only at night a more accurate thermometer than others insects make sounds by vibrating their wings, others... Luck, and you 're set use the work sheet and financial statements from the previous on your exercise. And calculate your cricket thermometer the animal kingdom above in this color-coded format conducted research to his. The relationship between the number of chirps the cricket thermometer equation to compile statistics classroom cultures, need! The previous on your own cricket thermometer equation actually work Dolbear is credited with discovering the curious between! Tympanum is located on the abdomen of short-horned grasshoppers, long-horned grasshoppers, bess.... Experiment to prove her hypothesis with each other also record things like there! Into excel Write the data into excel Write the data as following in the field with!Therefore, at least in theory, the temperature can be estimated by counting the chirps. Much like a sluggish bumble bee on a cool spring morning or a lizard sunning on a rock, crickets move slower in cooler temperatures. One way to account for your unique situation is to calibrate your own cricket thermometer! On increasing temperature, cricket rubs their wings together fastly. Hypothesis: IF the temperature is increased, THEN crickets will chirp more. If an experiment is conducted to see how temperature affects the number of cricket chirps per minute, then a cricket will chirp more frequently in warmer temperatures than in cooler temperatures because crickets are more active in a warmer environment. @m:E)Z\{kp} wv#Q9Q+ %M?z"T)bIP^( .J1w=!/~1:}~_{PPD! Place heating pad under the 6thbox and set heat setting to 15oC. A crickets chirp is one of the most recognizable sounds in the animal kingdom.
Write an equation in slope-intercept form that represents the situation. If crickets stay under minus 18F (-8C) for 24 hours, they will most probably not recover. For example, the answer to item 0 is "indirect product cost." As temperature rises, it becomes easier for them to chirp, whereas when temperature falls, reaction rates slow, causing a cricket's chirp to also diminish.
This is why youll often find a snake, turtle, or alligator sunning itself when its cold outside). Explanation: Independent variable, also called the manipulated variable, is the variable that Average your results by adding up the number of chirps and dividing by five. This This is because each of these animals is an ectotherm their body temperature depends on the temperature of their environment. Image: Bald-faced hornets make nests in trees at varying heights. Sound Use the Chart editor Setup and Customize menus to prepare your chart and find your cricket thermometer equation! Often scientists take more than one measurement to make sure they get a precise result. How many times does a cricket chirp each minute? I heard 2 groups of crickets, one high and one low. When you are ready to begin your first count, record the date and time in the appropriate columns in the table. Will crickets chirp more if the temperature is warmer experiment? Insects often use sound to communicate with each other. Share sensitive information only on official, secure websites.. In both examples, we are plotting data and drawing a line of best fit, or a line that goes through the most of our data points. Throughout the years, follow up studies have been done to come up with slight variations of Dolbears Law based on different species of crickets and katydids. The most well known insects that use stridulation to produce sound are the crickets (rub their wings together) and grasshoppers (rub legs or leg and wing), but some ants, wasps, and beetles also use stridulation. His observations showed that you can count the number of chirps per 15 seconds, add 40, and that will give you the temperature in Fahrenheit (F). Health Conditions to Watch Out for As Your Child Grows, how long does it take to suffocate a mouse, A Homeowner Lives In A 150 Year Old Adobe Building, What Were The Jobs In The North Carolina Colony, university management system project with source code, hall and hall 1990 understanding cultural differences pdf. Use the work sheet and financial statements from the previous On Your Own exercise. The number of chirps a cricket makes relates to the temperature. Listen to the choruses of crickets around you.
Have the helper say, "Stop" at the end of 14 seconds (sec). Some think that crickets bring good luck, and keep them as pets in beautifully decorated cages. I believe the answer to your question is B because it says that crickets chirp more in June than in October which leaves you to ask, "Do crickets like warm weather better than cold weather?" $$ There have been many equations published describing the relationship between the number of chirps per second and the temperature. You can put any number of cricket chirps in place of the x and find the temperature. Other insects make sounds by vibrating their wings or other body parts. water dish Since Dolbear's time, formulas have been devised for various species.Here are Three formulas which may or may not actually work! Select your "Current temperature" and "Cricket chirps" columns, then open the "Insert" dropdown menu and select "Chart.". See how the chirp frequencychanges. Why? See Also: Animals & Creatures that Predict the Weather. their brains have more energy to think. You can view forecasts by the hour under "Hourly Weather Forecast" or "Tabular Forecast.". Now that youve identified your chosen chorus, youll need to make a data table and collect your data. Place thermometer in bottom of box and wait until it reaches 15oC. 2 Will crickets chirp if the temperature is warmer hypothesis? Do different types of crickets make better thermometers? Maggie and Thomas. variable any factor, trait, or condition that can exist in differing amounts or types independent variable variable changed or controlled by scientist dependent variable There are at least three reasons why crickets chirp. Some parts of this site work best with JavaScript enabled. Find outhow other insects predict the weather. [9] When mating to breed, males only chirp between 55-100 F (13-38 C). The Old Farmers Almanac: Pet Crickets and Cricket Facts: Learn interesting facts about crickets. Yes, I know its easy to know the temperature these days by simply glancing at your phone or car dashboard. In our study, the results supported our hypothesis. Crickets, grasshoppers, katydids, and cicadas all possess hearing organs called tympanum. These instructions assume some graph-making experience, so If you arent very familiar with making graphs and plotting data, make sure to work with someone who can help you.
Dolbear didn't identify what species of cricket his formula referenced, but many people think that offsite link he counted the chirps of the snowy tree cricket, which is now nicknamed the thermometer cricket, for its accuracy as a thermometer. In the lab, you make four groups of crickets, with fifty crickets per group. We recommend recording cricket chirps for at least 10 unique temperatures. Show examples, short-horned grasshoppers, long-horned grasshoppers, bess beetles.
If you have a mobile device handy, you can try staying silent and recording for 15 seconds and writing the data in your table later. In this science fair project, you will investigate how the chirps of these tiny creatures can do more than lull you to sleepthey can tell you the temperature! Then, we find the formula for that line, which also serves as the cricket thermometer formula. Connect to Office of Education on Twitter, Connect to Office of Education on Facebook, Connect to Office of Education on Instagram, Connect to Office of Education on YouTube, Connect to Office of Education on LinkedIn, Read more about accuracy and precision in science. Some parts of this site work best with JavaScript enabled. We even live in a remarkable time when one can simply ask the friendly, ever-waiting household assistant (Google Home, Alexa, etc.) The Old Farmers Almanac: Predict Temperature with Cricket Chirps: For years, The Old Farmers Almanac has listed Dolbears Law as a way to predict the outside temperature. The sum usually approximates the temperature within a few degrees Fahrenheit. Predation - you let everyone know where you are! Hypothesis: Crickets will chirp more if the temperture is warmer. Input variable:_, Output variable: _. biology Design an experiment that would answer this question: Why do crickets chirp? Over multiple days: Try to choose days with similar weather conditions. The answer to that question is yes because its warmer in June than October.
If the Crickets are placed inside a warmer environment then they will chirp less. Apply to the University of NebraskaLincoln, Give to the University of NebraskaLincoln, Research Publications on UNL Digital Commons, Entomology Hall (Plant Industry Building) History, Institute of Agriculture and Natural Resources, College of Agricultural Sciences and Natural Resources. Its a great way to get outside and explore the world around you! Female ground crickets like this one don't sing, but their male counterparts are a familiar sound during times of warm weather. 4.
An official website of the United States government.
Write this number down. Take notes about weather conditions in your notes column. But well before smartphones and wireless assistants were en vogue, crickets have been broadcasting the temperature. Constants: Like all other insects, crickets are cold-blooded, meaning they take on the temperature of their surroundings. Or if you might have someone else join you and count separately to make sure you both get the same result. She decides to conduct an experiment to prove her theory. How do crickets make their distinctive chirp? Webwill crickets chirp more if the temperature is warmer experiment. This exercise may be done whenever crickets are heard, either in the field or with classroom cultures. That number plus 40 is a rough estimate of the current temperature in degrees Fahrenheit. Why do Crickets make so much noise at night? Since Dolbear's time, formulas have been devised for various species.Here are Three formulas which may or may not actually work! Home Science Tools, Just grab a baseball bat and a tennis ball, and you're set. If you cannot answer a question, read the related section again. The most common cricket in North America is the field cricket, but there are other native species as well (including the snowy tree cricket). What is the ideal temperature for feeder crickets? Wait until you hear chirping. Follow along with the math above in this color-coded format. While using Dolbears law is a neat party trick, if you really want to impress your friends, figuring out the formula for the crickets in your own neighborhood can make your estimate even more accurate.
The cooler the temperature in a lake, the more oxygen the water holds. Add 40 to the average number of chirps the cricket made in 14 seconds. Usually, the male's song attracts the female. How close are the two temperatures? Crickets chirp faster with increasing . Multiple days (evenings are best) with a temperature range between 55F and 100F, If you do not have access to an outdoor area with crickets, you can purchase them from. Therefore, at least You must be in an area where you can hear crickets chirping, By rubbing the "scraper" organ on one wing against the "file" organ on the other, theyre able to produce a tone similar to a finger running down the teeth of a comb. Using Equation 1 or Equation 2, calculate the outdoor temperature, based on the number of cricket chirps, and record your calculation in your data table. find the independent, dependent, and constant variables- does fertilizer make a plant grow bigger? As the temperature falls, the reactions' rates slow, causing the chirping to also slow. For example, you may hear two groups, one far away and one close. These equations all vary slightly, depending upon the species of cricket, but the snowy tree cricket is frequently cited as the most accurate at predicting temperature. Physicist Amos Dolbear is credited with discovering the curious relationship between a crickets chirp and temperature. It is an unmistakable sound. Write these numbers down. melissa raises crickets at her pet store that she sells for reptile food. <> melissa raises crickets at her pet store that she sells for reptile food. Put the following columns in your data table: Date, time, current temperature, cricket chirp count, notes (see photo below for our data table). Webwill crickets chirp more if the temperature is warmer experiment. A male insect may sing in order to let other males know that an area is his territory. Work this problem independently.
In crickets, generally only adult males make noises, and usually only at night. Humans and other mammals are warm-blooded.
This is your y value. Enter the data into excel write the data as following in the tab. That way you reduce how varying conditions, like rain or drought, might affect cricket chirps. In colder weather, this is harder for crickets to do, so in warm weather theres more chirping. The warmer the temperature, the easier the cricket's muscles activate, so the chirps increase, according to the Almanac. This source provides sound recordings of snowy tree crickets: This source provides photos and general information about field crickets: This source provides a video of a field cricket performing the act of stridulation: These sources provide information on the Arrhenius equation: Disclaimer: Save my name, email, and website in this browser for the next time I comment.
4 0 obj Decide whether you are going to count crickets once at each temperature or multiple times.
will crickets chirp more if the temperature is warmer experiment | January 20, 2021 | Uncategorized | No Comments January 20, 2021 | Uncategorized | No Comments Write these numbers down.