Modeling Matter Flashcard 1 (Made of Matter)

Front

Matter is made of tiny pieces called _____

Back

atoms

Front

True or false? Different kinds of molecules all have the same sizes and shapes.

Back

false

Front

We can only see molecules when they are _____

Back

in huge groups

Front

True or false? Some molecules are strongly attracted to one another, so they hold together. Other molecules are not strongly attracted to one another, so they do not hold together as well.

Back

true

Front

True or false? Substances are made of only one kind of atom or molecule.

Back

true

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What is the smallest unit of matter?

Back

An atom.

Front

What are the two main types of substances?

Back

Elements and compounds.

Front

What is an element?

Back

A substance that cannot be broken down into simpler substances.

Front

What is a compound?

Back

A substance made of two or more different types of atoms bonded together.