How many drops of water will fit on a penny
WebMar 9, 2024 · Predict how many drops of water will fit on the penny and record your prediction in the data table below. Using the dropper, drop water onto the penny and count how many drops it holds. Record the number of drops the penny was able to hold before it overflowed. Record observations in your data table. Part 2: Adhesion WebAfter completing a class experiment, slowly dropping drops of water on a penny, students use this reflective worksheet to evaluate the scientific reasons why such a large number of water droplets are able to fit on a single penny. Subjects: Chemistry, General Science, Physical Science Grades: 2nd - 6th Types:
How many drops of water will fit on a penny
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WebPlace a coin on a table or desk. Holding the eyedropper close to the surface of the coin, carefully squeeze water droplets onto the coin, one at a time. The droplets should pool up on the coin, creating a big droplet of water. Get the students to count the drops. Stop squeezing when the droplet on the coin breaks up and overflows. WebUse an eyedropper or pipette to draw up water. Carefully, drop individual drops of water onto the flat surface of the penny. Keep track of the water drops as you add them, one at a …
Web2. Examine the penny and consider how many water drops you think will fit on the penny. Write down your guess. 3. Place the penny on a flat surface that can get wet, such as a kitchen counter. 4. Fill a small glass or bowl with water. 5. Use a pipette to draw water and carefully put individual drops of water onto the penny. http://labsci.stanford.edu/images/Surface-Tension-TA.pdf
WebNov 16, 2024 · My penny held way more drops of water than I expected — I fit 31 drops onto mine! Maybe you were surprised by how many drops seemed to be able to balance on top … WebFill a dropper with water. 2. Place the penny, heads up, on top of a paper towel. Make sure it is on heads--using tails will give different results! 3. Hold your dropper about ½ inch above the penny at a steep angle and slowly add drops of water to the surface of the penny until it overflows--count this as any time the water goes off of the ...
WebJan 9, 2024 · The answer is no. Using drops on a penny provides only an indirect comparison of surface tensions at best. It could be argued that something else entirely …
WebFill a dropper with water. 2. Place the penny, heads up, on top of a paper towel. 3. Hold your dropper about 1-inch above the penny and add drops of water to the surface of the penny until it overflows. 4. Record the number of drops of water the surface of the penny can hold in the table on the next page under the column labeled “Run 1.” 5 ... how do rimfire cartridges workWebApr 26, 2011 · How many water drops can fit on a penny? Dramatically accompanied by surreal music that keeps you guessing! Music by: Kevin Macleod how do right to work laws benefit the economyWebThe student goes through the scientific method to find out how many drops of water can fit on a penny. Theres a graphing exercise on the back. This was designed for a middle/hs special education science class - could work well for elementary students too. Theres an optional HW assignment on the back of the hand out. how do right to work laws help the economyWebMar 3, 2024 · We had 27 drops of water on ours! Surface tension and cohesion are why you can get so many drops of water on a penny. Cohesion is the “stickiness” of like molecules … how do right of ways workWebApr 13, 2024 · When you ask kids how many drops of water will fit on a penny, they’ll probably guess 3 or 4 drops. Maybe 5. Everyone knows that drops of water aren’t very big, … how much rr for immortal 2WebOnce kids feel comfortable with the eye dropper, they can add one drop of water at a time to the head of the penny. Have them count each drop, this is their data collection. The drops … how do rightmove make moneyWebDec 3, 2024 · HOW MANY WATER DROPS CAN FIT ON A PENNYI guess to answer this question you have to consider how big the water drop is but I did try the experiment on a penny... how do ring doorbells attach