Science QA #2 Review

Front

What is reflection in terms of light?

Back

Reflection is when light bounces off a surface.

Front

What is refraction in terms of light?

Back

Refraction is when light bends as it passes from one medium to another.

Front

What happens to light when it is reflected?

Back

Light bounces off the surface.

Front

What happens to light when it is refracted?

Back

Light bends as it travels through different materials.

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating objects that creates sound waves.

Front

What is a circuit?

Back

A circuit is a closed loop that allows electricity to flow.

Front

What is the purpose of a switch in a circuit?

Back

A switch controls the flow of electricity in a circuit.

Front

What is density?

Back

Density is the mass of a substance divided by its volume.

Front

Which is denser: water or oil?

Back

Water is denser than oil.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.