Temperature and Density

What is the best definition of density?

• How hot or cold something is.

• A measure of how fast molecules are moving.

• How close together the molecules in a substance are.

Which layer is the MOST dense?

• Edible oil

• Dishwashing liquid

• Syrup

• Honey

Tags

NGSS.MS-PS1-2

Which layer is the LEAST dense?

• Edible oil

• Dishwashing liquid

• Syrup

• Honey

Tags

NGSS.MS-PS1-2

Which layer is more dense than dishwashing liquid?

• Edible oil

• Water

• Honey

Tags

NGSS.MS-PS1-2

Which state of matter is the MOST dense?

• Solid

• Liquid

• Gas

Which state of matter is the LEAST dense?

• Solid

• Liquid

• Gas

Why does hot air RISE?

• The molecules are spread farther apart and are LESS dense

• The molecules are spread farther apart and are MORE dense

• The molecules are close together and are LESS dense

• The molecules are close together and are MORE dense

Tags

NGSS.MS-ESS2-6

Why does cold air sink?

• The molecules are spread farther apart and are LESS dense

• The molecules are spread farther apart and are MORE dense

• The molecules are close together and are LESS dense

• The molecules are close together and are MORE dense

Is the air in the blue balloon MORE dense or LESS dense than the red/orange balloon?

• More dense

• Less dense

If a cold front is coming to Berwyn, will that air RISE or SINK?

• Rise

• Sink

Tags

NGSS.MS-ESS2-5