Grade 4: Science Light Test

Waste Heat

Heat that can't be used to do work.

Refraction

The bending of light

Energy Transfer

The change of energy from one form to another

Convection

Heat flows through a liquid or gas by:

Light

a form of energy that travels in straight lines

Reflection

The bouncing of light off an object

Conduction

Heat travels through solids that are touching by:

Radiation

Moves heat through space, where there is no matter.

Heat

Transferred thermal energy is called:

Car radiator

Removes waste heat

The lens bending light rays

Causes an image to form inside the eye

A thermometer measures

the average energy of movement of particles of matter.