Unit 5 Waves and Light Lesson 4: Interactions of Light (305-313) Test #12

The black asphalt _____ more light while the white sidewalk _____ most of the light, making the black asphalt hotter.

absorbs, reflects

______ is the transfer of light energy to matter.

absorption

Sometimes the perceived color of an object depends on the _____ _____ in the area.

light available

Matter that transmits no light is ______.

opaque

Radio waves can easily pass through walls that are _____ to visible light.

opaque

_____ materials do not let any light pass through them.

opaque

The bottle is green because it allows green light to ______ ______ while _______ other colors of light.

pass through, absorbing

X-rays _____ _____ skin and muscle, but are _____ by denser bone.

pass through, stopped

The perceived color of an object is determined by the colors of light ______ by the object.

reflected

The bouncing of light off a surface is called _____.

reflection

The bouncing of light off a surface is called ______.

reflection

A frog's skin absorbs most colors of light, but ______ most of the green light.

reflects

A frog in white light appears green because it _____ green light and _____ other colors of light.

reflects, absorbs

The bending of light is called ______.

refraction

The bending of light when it changes media is called _____.

refraction

_____ is the change in direction of a wave as it passes from one medium into another at an angle.

refraction

A clear cloudless day-time sky is blue because molecules in the air _____ blue light from the sun more than they scatter red light.

scatter

_____ occurs when light changes direction after colliding with particles of matter.

scattering

_____ occurs when light is sent in many directions as it passes through a medium.

scattering

In the evening, sunlight travels through a lot of air. The blue light _____, leaving only redder light.

scatters

The daytime sky appears blue because air ______ blue light more than it does other colors.

scatters

Light travels ______ in a medium.

slower

An object appears fuzzy when seen through _____ material.

translucent

_____ materials transmit light but do not let the light travel straight through.

translucent

A ______ material lets light pass through freely.

transparent

Matter that transmits light is _____.

transparent

Light that includes all colors is called _____ light.

white