Density and Scientific Method

_________ is the amount of mass per unit volume.

• mass

• volume

• density

• particles

Density describes how tightly ____________ are packed together.

• molecules

• water

• cells

• gummy bears

When an object has fewer particles , it has less __________.

• packed

• less

• mass

• crystal

Tags

NGSS.MS-PS1-5

What is the density of water?

• 2.0 g/mL

• 1.0 g/mL

• 1.2 g/mL

• .92 g/mL

Substances that are less dense than water will __________ on water.

• sink

• float

Substances that are more dense than water will _________ in water.

• sink

• float

When matter heats up, its molecules __________ causing it to become less dense.

• expand

• contract

Tags

NGSS.MS-PS1-4

If matter cools off ,its molecules ________ causing it to become more dense.

• contract

• expand

Tags

NGSS.MS-PS1-4

During this step of the scientific method, you will gather information that will answer your question.

• purpose

• research

• hypothesis

• analysis

An educated guess or prediction

• purpose

• research

• hypothesis

• experiment

Tags

NGSS.MS-LS2-2