Unit 2: Matter Review

Front

What is a chemical change?

Back

A process where one or more substances are transformed into new substances with different properties.

Front

What is the main evidence that a chemical change has occurred?

Back

A new substance is produced.

Front

What are the two main types of matter?

Back

Pure substances and mixtures.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is a homogeneous mixture?

Back

A mixture that has a uniform composition throughout.

Front

What is a heterogeneous mixture?

Back

A mixture that has a non-uniform composition and the individual components can be seen.

Front

What is the definition of matter?

Back

Anything that has mass and takes up space.

Front

What are the states of matter?

Back

Solid, liquid, gas, and plasma.