Composition of Matter

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What happens to a substance when it reaches its freezing point?

Back

When a substance reaches its freezing point, it changes from a liquid to a solid.

Front

What are the tiny particles that make up all matter?

Back

The tiny particles that make up all matter are called atoms.

Front

What does it mean if a substance is made of only one element?

Back

It means that all the atoms in the substance are similar to each other.

Front

How does the melting point of a substance relate to its mass?

Back

The melting point of a substance is equal regardless of the mass of the sample.

Front

What is the relationship between temperature and the state of matter?

Back

Temperature affects the state of matter; increasing temperature can change a solid to a liquid, and further to a gas.

Front

What is an atom?

Back

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

Front

What is the difference between a solid, liquid, and gas?

Back

Solids have a definite shape and volume, liquids have a definite volume but take the shape of their container, and gases have neither a definite shape nor volume.

Front

What is a physical property of matter?

Back

A physical property is a characteristic of matter that can be observed or measured without changing its composition.

Front

What is the freezing point?

Back

The freezing point is the temperature at which a liquid turns into a solid.