Uses of Light 5th

Front

What is a source of light?

Back

A source of light is an object that emits light, such as the sun, a lamp, or a candle.

Front

TRUE or FALSE: A candle is a source of heat and light.

Back

TRUE

Front

What two forms of energy are produced by a lamp?

Back

Light and Heat.

Front

What is the most important source of light on Earth?

Back

The Sun.

Front

What is heat energy?

Back

Heat energy is the energy that comes from the temperature of matter. It is produced when objects are heated.

Front

What is light energy?

Back

Light energy is a form of energy that is visible to the human eye and is responsible for the sense of sight.

Front

How do we use light in our daily lives?

Back

We use light to see in the dark, to read, and to illuminate spaces.

Front

What happens when light hits a surface?

Back

When light hits a surface, it can be reflected, absorbed, or transmitted.

Front

What is reflection of light?

Back

Reflection of light is when light bounces off a surface, like a mirror.

Front

What is absorption of light?

Back

Absorption of light is when light is taken in by a material, converting it to heat.