Physical Science Test

Front

What happens to the magnetic force between two magnets as the distance between them increases?

Back

The magnetic force decreases.

Front

What is a chemical property?

Back

A chemical property describes the ability of a substance to react with other substances.

Front

Why does a straw in a glass of water appear broken?

Back

This is due to refraction.

Front

When Jordan and Caleb ride their bikes past the grocery store, how are they moving relative to the grocery store?

Back

They are moving relative to the grocery store, but not their bikes.

Front

True or False: Two atoms with the same number of protons are the same element.

Back

True.

Front

What is magnetism?

Back

Magnetism is a force that can attract or repel certain materials, primarily metals like iron.

Front

Define refraction.

Back

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

Front

What is the difference between a physical property and a chemical property?

Back

A physical property can be observed without changing the substance, while a chemical property involves a substance's ability to undergo a chemical change.

Front

What is the law of conservation of mass?

Back

The law states that mass is neither created nor destroyed in a chemical reaction.

Front

What is an atom?

Back

An atom is the smallest unit of an element that retains the properties of that element.