Modeling Matter Unit Review

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

The three states of matter are solid, liquid, and gas.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that retain their individual properties.

Front

What is a solution?

Back

A solution is a type of mixture where one substance is dissolved in another.

Front

What happens to the particles in a solid?

Back

In a solid, particles are closely packed together and vibrate in place.

Front

What happens to the particles in a liquid?

Back

In a liquid, particles are close together but can move past each other, allowing liquids to flow.

Front

What happens to the particles in a gas?

Back

In a gas, particles are far apart and move freely, filling the space available.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass cannot be created or destroyed in a chemical reaction.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.