Pg. 47 - Potential & Kinetic Energy
Today we talked about the difference between potential and kinetic energy. As a class we came up with some definitions to define each term. Students then watched the potential and kinetic energy brainpop.com videos. As part of their notes they were required to add an illustration to show the difference between potential and kinetic energy above their definition.
Pg. 46 - Sports Ball Lab
The next day we completed the following Sports Ball Lab.
Purpose:
To determine which sports ball had the most kinetic energy
Hypothesis:
I think that ___________ ball will have the most kinetic energy because ____________.
Materials:
kickball, soccer ball, basketball, tennis ball, pencil, measuring tape, recording sheet
Procedure:
1. Choose a ball
2. Hold that ball 4ft above the ground.
3. Drop the ball & count how many times it bounces.
4. Record the data in the table
5. Repeat 2 more times with the same ball.
6. Repeat steps 1-5 with each of the other sports balls
Observations:
Data Table & Graph
Conclusion:
1. Was your hypothesis correct? (explain)
2. Why do you think your hypothesis was correct/incorrect?
3. Would you like to test another sports ball? Why?
Purpose:
To determine which sports ball had the most kinetic energy
Hypothesis:
I think that ___________ ball will have the most kinetic energy because ____________.
Materials:
kickball, soccer ball, basketball, tennis ball, pencil, measuring tape, recording sheet
Procedure:
1. Choose a ball
2. Hold that ball 4ft above the ground.
3. Drop the ball & count how many times it bounces.
4. Record the data in the table
5. Repeat 2 more times with the same ball.
6. Repeat steps 1-5 with each of the other sports balls
Observations:
Data Table & Graph
Conclusion:
1. Was your hypothesis correct? (explain)
2. Why do you think your hypothesis was correct/incorrect?
3. Would you like to test another sports ball? Why?
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