Show:
Forms of Energy
Light Energy
Vocabulary
Sound Energy
Energy
100
What is energy we can hear?
Sound Energy
100
Which of the following statements best describes how light travels? a. In a straight line, in one direction b. In curved lines, in one direction c. In straight lines, in all directions d. In curved lines, in all directions
c. In straight lines, in all directions.
100
____________________________________ only allows some light to pass through.
translucent
100
18. When you whisper, why does the sound have a low volume? a. The sound waves you create have a lot of energy. b. The sound waves you create don’t have a lot of energy. c. Your vocal cords are vibrating quickly. d. None of the above.
b. The sound waves you create don’t have a lot of energy.
100
9. Which type of energy will the ball have once it has been kicked? a. Kinetic b. Potential c. Chemical d. Electrical
a. Kinetic
200
What is energy we can see?
Light Energy
200
7. Which of the following best describes the path of light hitting a mirror? a. Light reflects, or bounces, evenly off the mirror. b. Light reflects, or bounces, unevenly off the mirror. c. Light is refracted, or bent, by the mirror. d. None of the above.
a. Light reflects, or bounces, evenly off the mirror.
200
____________________________________ blocks all light from passing through.
opaque
200
A guitar has thin strings and thick strings. What is one difference between the thin strings and the thick strings? a. The thin strings have a higher pitch than the thick strings. b. The thin strings have a lower pitch than the thick strings. c. The thin strings have a louder volume than the thick strings. d. The thin strings have a softer volume than the thick strings.
a. The thin strings have a higher pitch than the thick strings.
200
In which of the following scenes is work being done on an object? a. A boy climbs a ladder. b. A ball rolls across the floor. c. A girl pulls a wagon up a hill. d. A teacher reads a book aloud.
c. A girl pulls a wagon up a hill.
300
What is the movement of electrical charges?
Electrical Energy
300
8. Which of these objects absorbs all colors of light? a. A black bowling ball b. A green leaf c. A white cloud d. A purple grape
a. A black bowling ball
300
_____________________________________ means to move quickly back and forth.
vibrate
300
Whether a sound is loud or soft depends on _______________________________________. a. how much energy a sound has. b. how far away a listener is from the source of the sound. c. Both A and B d. Neither A nor B
c. Both A and B how much energy a sound has and how far away a listener is from the source of the sound
300
13. What is one way that electrical energy is used in everyday life? a. To make sounds with a drum b. To operate a computer c. To lift a box from the floor d. To cause sunlight to shine through a window
b. To operate a computer
400
What is stored energy?
Potential Energy
400
_____________________________________ is how loud or soft a sound is.
Volume
400
What makes sound possible?
the vibration of matter
400
14. Which of the following is an example of something that produces both light and heat energy? a. A candle flame b. A computer screen c. A flashlight d. All of the above
d. All of the above A candle flame, a computer screen, and a flashlight all produce light and heat energy.
500
What is the transfer of energy from a warmer object to a colder object?
Heat Energy
500
____________________________________ is clear and allows all light to pass through.
transparent
500
_____________________________________ is how high or low a sound is.
Pitch
500
What is the difference between pitch and volume?
Pitch is how high or low a sound is. Volume is how loud or soft a sound is.
500
A cat stands at the edge of a table. It is about to jump to the floor. At this moment, what kind of energy does the cat have? a. Sound energy b. Mechanical energy c. Kinetic energy d. Potential energy
d. Potential energy