8th Science GMAS Review

Front

What is the relationship between atoms and molecules?

Back

Molecules are groups of atoms bonded together

Front

Which statement about pure substances is correct?

Back

Pure substances contain only one type of atom or molecule

Front

How are homogeneous mixtures different from heterogeneous mixtures?

Back

Homogeneous mixtures are uniform throughout

Front

Which subatomic particle can leave an atom?

Back

Electrons

Front

What is a key characteristic of compounds?

Back

They require chemical reactions to break apart

Front

Which phase of matter has particles that are packed together tightly and only vibrate in place?

Back

Solid

Front

What happens to matter when energy is added or removed?

Back

It changes phase

Front

Which of the following characteristics best describes plasma?

Back

Can conduct electricity and create magnetic fields

Front

What is a key characteristic of gases?

Back

Their particles can move freely

Front

Which statement about liquids is correct?

Back

They have definite volume but changing shape