Physical Science Review

Front

The relationship between particle movement and temperature.

Back

The slower the particles in a substance move, the colder it is.

Front

What is boiling?

Back

Boiling is the process of changing from liquid to gas.

Front

How does temperature affect gas pressure?

Back

When the temperature of a gas increases, the pressure will increase.

Front

What era lasted the longest in Earth's history?

Back

The Precambrian era lasted the longest.

Front

What is the purpose of testing a hypothesis?

Back

Testing a hypothesis often involves conducting an experiment.

Front

What is the definition of matter?

Back

Matter is anything that has mass and takes up space.

Front

What is the law of conservation of mass?

Back

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

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances.

Front

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

Back

A physical change alters the form of a substance, while a chemical change alters its composition.

Front

What is an atom?

Back

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