7th Grade Semester Test Review

Front

What does a graph showing a straight line indicate about an object's motion?

Back

Constant Speed

Front

What elements are represented in the chemical formula Fe_2O_3?

Back

Iron, Oxygen

Front

When a solution contains water as one of its components, what term is used to describe it?

Back

Aqueous

Front

What type of substance is represented by a mixture of two elements?

Back

A mixture of two elements

Front

Is the ability of paper to burn a chemical or physical property?

Back

Chemical Property

Front

What is the term for a substance made of only one type of atom?

Back

Element

Front

What do we call a combination of two or more substances that are not chemically bonded?

Back

Mixture

Front

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

Back

A chemical change results in the formation of new substances, while a physical change does not.

Front

What is the term for a substance that cannot be broken down into simpler substances?

Back

Element

Front

What is the process called when a solid turns directly into a gas?

Back

Sublimation