3. Materials: 1 dime, 1 penny, 1 nickel, 1 quarter, 1 dropper (pipette), 1 cup of water, paper towels Hypothesis: What do you think will be the answers to the experiment questions? Be prepared to give detailed explanations of what you think will happen with each coin.

4. Procedure: (1) Place a coin, heads side up, on a flat surface. (2) With the dropper (pipette), count the number of water droplets you put on the coin until the water overflows from the side of the coin.

5. (3) Record the value in the table of data as well as anything unusual which you observe. (4) Repeat the process 4 more times for the same coin. (5) Flip the coin and repeat steps one through four. Change coins, using all four coins before finishing.

6. Attempt 1 Attempt 2 Attempt 3 Attempt 4 Attempt 5 Average Penny Dime Nickel Quarter Heads Heads Heads Heads Tails Tails Tails Tails

7. Results: What were your results? Which coin held the most water? Which held the least? Which side of each coin was best? Which side of each coin was the worst? Why do you think these things happened?