Grade 8 Science Georgia Milestones Review

Front

What is a characteristic of metals?

Back

Good conductors of electricity.

Front

What can compounds be broken down into by chemical reactions?

Back

Elements.

Tags

NGSS.MS-PS1-5

Front

What is an element in the context of matter?

Back

Matter that cannot be broken down into simpler substances.

Front

What happens to the density of a substance as the temperature changes?

Back

It changes.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What is the main difference between elements and compounds?

Back

Compounds can be broken down into simpler substances by chemical reactions, while elements cannot.

Front

Define a compound.

Back

A substance formed when two or more elements are chemically bonded together.

Tags

NGSS.MS-PS1-1

Front

What is the smallest unit of an element?

Back

An atom.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without altering its chemical composition.

Tags

NGSS.MS-PS1-4