VOCABULARY
KINETIC / POTENTIAL
CONSERVATION OF ENERGY and FORMS
ENERGY TRANSFORMATIONS 2
FORCE/WORK
100
1. The ability to cause change.
What is Energy (B)
100
9. Energy stored in an object due to is position.
What is potential energy (G)
100
2. Energy can change its form but is never created or destroyed. Give me vocab word.
What is law of conservation of energy (C)
100
21. Which of the following best describes the energy transformations in a CD player?
What is Electrical energy turns in to mechanical energy and sound energy (A)
100
5. A change in energy that results from a force working over a distance.
What is work (E)
200
3. A measure of the amount of matter in an object.
What is Mass (A)
200
8. Energy an object has due to its motion.
What is kinetic energy (F)
200
18. What does the law of conservation of energy state cannot happened?
What is energy can be destroyed (D)
200
22. Muscles perform what type of energy transformation?
What is chemical to kinetic (D)
200
26. Andy’s teacher asked him to come up to the front of the class to demonstrate work. Which of the following could Andy do in the classroom to demonstrate work?
What is Andy pushes the desk across the floor (C)
300
7. Energy stored and released by chemical reactions.
What is chemical energy (M)
300
14. The amount of kinetic energy of an object depends on what two things?
What is mass and speed (C)
300
20. When chemical energy is converted into thermal energy, which of the following must be true?
What is the total amount of thermal energy plus chemical energy doesn't change (D)
300
24. A toaster converts electrical energy to what forms of energy?
What is radiant and thermal (A)
300
28. How much work is done when a 6N force moves a block 3m?
What is 6 x 3 = 18 Joules
400
10. Energy produced from the splitting apart of billions of uranium nuclei by a nuclear fission reaction.
What is nuclear (I)
400
15. The potential energy of a non-moving object increases if which of the following occurs?
What is the height above the ground increases (C)
400
23. Which of the following describes the energy types(s) of a burning fire?
What is chemical, radiant, thermal (B)
400
19. In every energy transformation, some energy is always “lost” or not easily stored as what type of energy?
What is thermal energy (D)
400
30. If you use 40J of energy to move an object 5m. How much force was applied?
What is 40/5 = 8 N
500
6. A change in composition or structure.
What is transformation (H)
500
16. A bucket of water is sitting on a park bench. What would be one way you could increase the amount of potential energy of the bucket?
What is add water to the bucket (C)
500
17. In the figure, a pendulum is released at point A and swings back. What kind of energy does the ball have at points: A= B= C= When the pendulum swings back, it does not reach the height of point A where it was released. Is the energy lost? Explain.
What is A= potential B=Kinetic C= potential No energy is not lost but instead transformed from potential to kinetic energy.
500
27. Emma sings into a microphone. The sound is transferred from the microphone to a loudspeaker that is plugged into the wall. Her voice comes out of the loudspeaker and sounds much louder than before. In this system, sound energy is being transformed into _________ energy and then back to ___________ energy
What is electrical, sound (D)
500
25. Energy enables an object to do work. Work is done when...
What is c. A force is put on an object, and the object moves in the direction of the force.
M
e
n
u