Answer all of this to get 100 point-s >:)


5. Which of the following materials do not allow heat to pass or flow through them?A thermal conductor
D. electrical insulator
B. thermal insulator C. electrical conductor
6. The light that can be seen by the human eye is called
A. visible light
B. invisible light
C. perceived light D. imperceptible light
7. It is the bouncing back of light when it hits an object.
A absorption
B. reflection
C. refraction
D. transmission
8. It is the study of refraction, reflection, absorption, and transmission of light.
A optics
B. acoustics
C. chromatics
D. dynamics
9. These are the materials that do not allow the light to pass through them.
A. opaque
B. translucent
C. transparent
D. unnoticeable
10. These are the materials that allow almost all of the light to pass through them.
A opaque
B. translucent
C. transparent
D. unnoticeable
11. It is the passing of lights through some materials.
A. absorption
B. reflection
C. refraction
D. transmission
12. It is the bending of light as it passes through different materials.
A. absorption
B. reflection
C. refraction
D. transmission
13. A metal spoon gets warm when used to stir hot soup. This is an example of
A. conduction
B. convection
C. radiation
D. evaporation
14. One good conductor of heat is
A water
B. plastic
C. wood
D. rubber​