Student Activity - Effect of Temperature on a Bouncing Ball

 

Materials

 

Procedure:

  1. Measure the air temperature of the room. Record in your data chart
  2. Tape the meter stick to a wall or a table so that the bottom of the meter stick is touching the floor at zero centimeters.
  3. Hold the Happy Ball with the tongs at the 100 cm mark of the meter stick, but a few centimeters away from the meter stick.
  4. Drop the ball and observe the height of the first bounce. Record this number in your data chart.
  5. Repeat step 4 two more times.
  6. Repeat steps 3-5, but use the Sad Ball.
  7. Fill a 250 ml beaker halfway to the top with ice. Add 100 ml of water. Submerge the Happy Ball in the ice/water mixture for 5 minutes. Take the temperature of the ice/water mixture and record in your data chart.
  8. Remove the ball with the tongs and immediately drop it from the height of 100 cm and observe the height of the first bounce. Record this number in your data chart. Immediately repeat this two more times. (Note: if you believe that the ball has warmed significantly, replace the ball in the water for one minute to re-chill it.) 9. Repeat steps 7-8 using the Sad Ball.
  9. Repeat steps 7-9 using water heated or cooled to the temperatures of 10 degrees C, 50 degrees C, and 100 degrees C.