Modeling Matter Chapter 1

Front

Model

Back

Something scientists make to answer questions about the real world.

Front

Can you see atoms and molecules with your own eyes?

Back

No

Front

Atom

Back

A tiny piece of matter that is too small to see.

Front

Observe

Back

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

Front

Gas chromatography separates molecules by their

Back

Size.

Front

Molecule

Back

A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.

Front

Matter

Back

Anything that has mass and takes up space.

Front

Substance

Back

A form of matter that has a uniform and definite composition.

Front

Mixture

Back

A combination of two or more substances that retain their individual properties.

Front

Inference

Back

A conclusion reached based on evidence and reasoning.