Matter Unit Test

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three common states of matter?

Back

Solid, liquid, and gas.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new chemical substances.

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.

Front

What is reflectivity?

Back

Reflectivity is the property of a surface that describes how much light is reflected off of it.

Front

What are colloids?

Back

Colloids are mixtures where tiny particles are dispersed throughout another substance, but do not settle out.

Front

What is a suspension?

Back

A suspension is a mixture in which particles are dispersed throughout a liquid or gas but are large enough that they will settle out over time.

Front

What is a solution?

Back

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

Front

What is density?

Back

Density is the mass of a substance divided by its volume.

Front

What is an example of a chemical change?

Back

Baking a cake, where ingredients undergo a chemical reaction to form a new product.