Modeling Matter End of Unit Assessment

Front

What does it mean to observe?

Back

To use any of the five senses to gather information about something.

Front

What is the term for pulling on an object without touching it?

Back

Attract.

Front

What do scientists create to answer questions about the real world?

Back

Model.

Front

How does an emulsifier work?

Back

It attracts two molecules together that DO NOT normally mix.

Front

What is the term for combining 2 or more atoms together?

Back

Molecules.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is an example of a mixture?

Back

Salad, because it combines different ingredients without changing their properties.

Front

What is the difference between a compound and a mixture?

Back

A compound is a substance formed when two or more elements chemically bond, while a mixture is a combination of substances that retain their individual properties.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.