Particle Nature of Matter/ Salt Water Experiment Level One

Front

What is the smallest unit of a chemical element that retains its unique properties?

Back

Atom

Front

What is a hypothesis?

Back

An educated guess.

Front

What happens to atoms when heat is taken away (freezing)?

Back

Atoms have less energy.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Front

What happens to atoms when heat is added?

Back

Atoms have more energy.

Tags

NGSS.MS-PS1-4

Front

In an experiment, if a cup with salt and water weighs more than a cup with just water, what does that indicate?

Back

The salt adds mass to the water.

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Tags

NGSS.MS-PS1-1

Front

What is a compound?

Back

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

Tags

NGSS.MS-PS1-1

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances.

Front

What is the process of dissolving salt in water called?

Back

Dissolution.

Front

What is the term for the amount of matter in an object?

Back

Mass.