Light Quiz Review

Which of the following is a source of light?

• An egg

• the sun

• the moon

• a pencil

All of the following are sources of light EXCEPT...

• the sun

• fire

• light bulbs

• clouds

How does light travel?

• Slower than sound.

• It can't travel through space because it needs air particles to move through.

• In waves that travel in straight lines until they strike an object.

• Faster than sound.

Brightness is determined by...

• flippling on a light switch

• how big a light bulb is

• the distance and intensity of a light source

• reflection and refraction

An object is only visible if...

• it absorbs light

• it is a light source

• it is a light source or it reflects light

• you open your eyes

Which is NOT an example of how light can behave if it strikes an object.

• reflect

• refract

• absorb

• contact

What is reflection?

• Light bouncing off a surface.

• Light bending when it is passed from one transparent material to another.

• Light staying in an object as another form of energy.

What is refraction?

• Light bouncing off a surface.

• Light bending when it is passed from one transparent material to another.

• Light staying in an object as another form of energy.

What is absorbtion?

• Light bouncing off a surface.

• Light bending when it is passed from one transparent material to another.

• Light staying in an object as another form of energy.

What are the colors of light that can be seen?

• orange, green, purple, and black

• red, green, blue, purple, and white

• red, orange, yellow, green, blue, indigo, and violet

• red, orange, yellow, green, blue, and indigo