1. Behavior of Waves vs. Media
CRCT Preparation

2. reflects all colors of light except blue
A piece of blue paper appears blue because the paper
reflects all colors of light except blue
refracts all colors of light except blue
absorbs all colors of light except blue
is transparent to all colors of light except blue

3. A. Sound waves do not travel long distances.
Josie sees lightning off in the distance. A few seconds later she hears thunder. What can Josie conclude?
A. Sound waves do not travel long distances.
B. Light waves travel faster than sound waves.
C. Sound waves are weaker than light waves.
D. Light waves last longer than sound waves.

4. Mariam's mother had an ultrasound to see the baby growing inside of her. Which statement explains how ultrasound works?
A. A special cream is heated and placed on her mother's stomach area, which produces an image on a computer.
B. A fluorescent light is used to transmit light waves into her mother's body, which produce an image on a computer.
C. Sound waves are sent into her mother's body, which reflect off of the baby and produce an image on a computer.
D. A type of medicine is injected into her mother, which causes an image of the baby to be produced on a computer.

5. A. liquid water B. solid metal C. humid air D. outer space
Through which material would sound travel the fastest?
A. liquid water
B. solid metal
C. humid air
D. outer space

6. A. the eye is quicker than the ear.
A person will see a flash of lightning before they hear the thunder that goes with it because
A. the eye is quicker than the ear.
B. the thunder occurs much later than the lightning.
C. sound travels faster through the atmosphere than light.
D. light travels faster through the atmosphere than sound.