1. Energy Review
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2. Definition 1
Type of energy that any moving object has

3. What Type? A Mercedes speeds along a level road.
It has which of the following types of energy? Choose all that apply or write “None”.
Potential Energy
Kinetic Energy
Mechanical Energy

4. What Type? A ball flying through the air above your head.
It has which of the following types of energy? Choose all that apply or write “None”.
Potential Energy
Kinetic Energy
Mechanical Energy

5. How does the energy change?
Use words like increase, decreases, stays the same…. A puppy skids to a stop on a level kitchen floor. Her potential energy _______________.

6. Calculating
Did this roller coaster lose mechanical energy?

7. Calculate
A toy rocket (mass= 1.5 kg) is launched into the sky. When it is 25 m above the ground, it is going 17 m/s. What is the rocket’s kinetic energy at this point?

8. Calculate
A small zombie is racing forward with 1200 J of kinetic energy. If the zombie’s mass is 35 kg, how fast is the zombie moving?

9. Definition 2
Kinetic + Potential Energy=

10. Calculate
A toy rocket (mass= 1.5 kg) is launched into the sky. When it is 25 m above the ground, it is going 17 m/s. What is the rocket’s mechanical energy at this point?

11. Choose the letter that shows the greatest potential energy
Choose the letter that shows the greatest potential energy. Choose all that apply.

12. What Type? A car drives along a level road.
It has which of the following types of energy? Choose all that apply or write “None”.
Potential Energy
Kinetic Energy
Mechanical Energy

13. Choose the letter that shows the greatest kinetic energy
Choose the letter that shows the greatest kinetic energy. Choose all that apply.

14. Calculate
Superman (mass=85 kg) races through the sky, 1500 m off the ground. He is moving 22 m/s. What is Superman’s kinetic energy?

15. Calculate
A toy rocket (mass= 1.5 kg) is launched into the sky. When it is 25 m above the ground, it is going 17 m/s. What is the rocket’s potential energy at this point?

16. Calculate
Superman (mass=85 kg) races through the sky, 1500 m off the ground. He is moving 22 m/s. What is Superman’s potential energy?

17. Calculate
Superman (mass=85 kg) races through the sky, 1500 m off the ground. He is moving 22 m/s. What is Superman’s mechanical energy?

18. What Type? A rug lays on the floor.
It has which of the following types of energy? Choose all that apply or write “None”.
Potential Energy
Kinetic Energy
Mechanical Energy

19. How does the energy change?
Use words like increase, decreases, stays the same…. A puppy skids to a stop on a level kitchen floor. Her mechanical energy _______________.

20. Calculate
A 100 kg roller coaster cart starts at the top of the highest hill, perfectly still. What is its potential energy?

21. What Type?
A little boy stands at the top of the diving board, staring down.
It has which of the following types of energy? Choose all that apply or write “None”.
Potential Energy
Kinetic Energy
Mechanical Energy

22. How does the energy change?
Use words like increase, decreases, stays the same….
A roller coaster coasts down a hill.
Her potential energy _______________ while her kinetic energy ______________.

23. Calculate
A platypus (7 kg) is running 4.5 m/s. What is the platypus’s kinetic energy?

24. Definition 3
Object in motion on the ground has this energy

25. Definition 4
Energy is measured in…

26. How does the energy change?
Use words like increase, decreases, stays the same…. A puppy skids to a stop on a level kitchen floor. Her kinetic energy _______________.

27. Choose the letter that shows a position with both kinetic and potential energy. Choose all that apply.

28. How does the energy change?
Use words like increase, decreases, stays the same….
A trapeze artist climbs a ladder.
Her potential energy _______________ while her kinetic energy ______________.

29. Calculating
What is the roller coaster’s mechanical energy at the top of the first loop?

30. How does the energy change?
Use words like increase, decreases, stays the same….
A roller coaster coasts down a hill.
Her potential energy _______________ while her kinetic energy ______________.

31. Calculate
A 100 kg roller coaster cart starts at the top of the highest hill, perfectly still. There is no friction or air resistance. How much kinetic energy does the cart have at Point B?