5th Grade Science Review

Front

What is refraction?

Back

Refraction is the bending of light waves as they change speed when passing from one medium to another, such as from water to air.

Front

Why does a spoon appear bent in a glass of water?

Back

The spoon appears bent because the light waves are refracted as they change speed when they pass from the water to the air.

Front

What is a gas?

Back

A gas is a state of matter where particles move freely and fill all available space in a container.

Front

Which statement about gases is NOT true?

Back

Gases have definite shape.

Front

What is the main function of a mirror?

Back

The main function of a mirror is to reflect light.

Front

What happens when salt is mixed with water?

Back

The salt dissolves, and the grains get smaller in size until they can no longer be seen.

Front

What happens to seaweed when mixed with water?

Back

The seaweed floats to the top when mixed with water.

Front

What is the process of dissolving?

Back

Dissolving is when a solid mixes with a liquid to form a solution, where the solid particles become too small to be seen.

Front

What is the difference between reflection and refraction?

Back

Reflection is when light bounces off a surface, while refraction is when light bends as it passes through different mediums.

Front

What is an example of a gas?

Back

An example of a gas is air, which is made up of various gases including oxygen and nitrogen.