1. How does light travel? *
A. light travels slow
B. light does not travel
C. in a straight line until it hits an object
2.What will happen if light waves bounce off the surface of an object? *
A. absorption
B. reflection
C. refraction
3. Which objects reflect light energy? *
A. cotton
B. lens
C. a shiny metals and mirrors
4. ________ is a form of energy that we can see with our eyes. *
A. image
B. reflection
C. light
5. An image can be seen on a shiny surface when light is _________> *
A. refracted
B. reflected
C. absorbed
6. What does diffraction produce? *
A. different colors
B. a pattern of light
C. shadow
D. reflection
7. Which kind of object is needed for absorption to happen? *
A. translucent
B. opaque
C. clear
D. transparent
8. Which of the following materials can produce a reflection? *
A. car windows
B. basketball
C. compact disc
D. glass of water
9. The loudness of the sound depends on _____ and _____. *
A. . energy and frequency
B. energy and amplitude
C. frequency and pitch
D. amplitude and pitch
10. When the _______ is higher, the sound is ___________. *
A. frequency, louder
B. amplitude, softer
C. frequency, softer
D. amplitude, louder
13. Which sentence is TRUE about refraction? *
A. Light can travel from two similar opaque objects.
B. Light does not travel on less compact objects, only on more compact and thick objects.
C. Light travels slower pn less compact objects than those that are more compact and thick.
D. Light travels faster on less compact objects than those that are more compact and thick.
14. Which sentences tells us something about dispersion? *
A. Light can break and disperse into different colors.
B. Light can bend turn into different patterns.
C. Light can bounce back and produce a reflection.
D. Light can transfer from one transparent material to another.
15. What is the ability of sound to bounce back when it hits a surface called? *
A. echo
B. pitch
C. soundproofing
D. frequency

Pls correct answer
because this is Test

Nonsense Report