Introduction to Light

Front

What is light?

Back

Light is a form of energy that travels in waves and can be seen by the human eye.

Front

What does opaque mean?

Back

Opaque means that an object does not allow light to pass through it.

Front

What does translucent mean?

Back

Translucent means that an object allows some light to pass through, but not enough to see clearly through it.

Front

What does transparent mean?

Back

Transparent means that an object allows light to pass through completely, so you can see clearly through it.

Front

What is a light source?

Back

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

Front

Give an example of an opaque object.

Back

A toy car is an example of an opaque object.

Front

Give an example of a translucent object.

Back

A tissue is an example of a translucent object.

Front

Give an example of a transparent object.

Back

A clear window is an example of a transparent object.

Front

What happens when light hits an opaque object?

Back

When light hits an opaque object, it cannot pass through and is either absorbed or reflected.

Front

What happens when light hits a translucent object?

Back

When light hits a translucent object, some light passes through, but the object cannot be seen clearly.