6th Grade Physics Practice Test

Front

What factors affect if you can see an object?

Back

If there is light and nothing in the way of the object.

Front

Why is light able to reflect off a mirror but not paper?

Back

Paper is actually a rough surface and light will scatter off it instead of reflect in a uniform manner.

Front

True or false: Models can change when people learn new things.

Back

True.

Front

What do our eyes need for us to see?

Back

Light, pupil, lens, retina.

Front

Why would we feel warmer when wearing a black shirt on a sunny day instead of a white shirt?

Back

The black shirt absorbs more light, the white shirt reflects more 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 is reflection?

Back

Reflection is the bouncing back of light when it hits a surface.

Front

What is refraction?

Back

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

Front

What is the role of the retina in the eye?

Back

The retina converts light into electrical signals that are sent to the brain.

Front

What is the difference between a rough surface and a smooth surface in terms of light?

Back

A rough surface scatters light, while a smooth surface reflects light uniformly.