NWEA Science Practice Test 11

Front

What do lenses do to light?

Back

Lenses always refract light.

Front

Why does light travel in a straight line?

Back

If there is nothing to interfere with light waves, they should travel in a straight line.

Front

What happens when light hits a shiny or smooth surface?

Back

It is reflected.

Front

Why does a pencil appear broken in a cup of water?

Back

Light bends when it passes through water.

Front

What happens to light when it hits a mirror?

Back

The light is being reflected off each mirror.

Front

What is refraction?

Back

Refraction is the bending of light as it passes from one medium to another.

Front

What is reflection?

Back

Reflection is when light bounces off a surface.

Front

What is transmission in terms of light?

Back

Transmission is when light passes through a material without being absorbed.

Front

What is absorption in terms of light?

Back

Absorption is when light is taken in by a material and not reflected or transmitted.

Front

What is the difference between reflection and refraction?

Back

Reflection is the bouncing of light off a surface, while refraction is the bending of light as it passes through different materials.