Density and Matter

Put the liquids in order from most dense to least dense?

• 4, 3, 2, 1
• 1, 2, 3, 4
• 3, 4, 2, 1, 
• 4, 3, 1, 2

Tags

NGSS.MS-PS1-2

Why do some substances float on water?

• they are warmer than water
• they are cooler than water
• they are more dense than water
• they are less dense than water

Which liquid is the least dense?

• oil
• water
• syrup 
• plastic bottle

If an object has a density of .6 g/mL and you put it into water, will it sink or float?  

• sink
• float

If an object has a density of 3.6 g/mL and you put it into water, will it sink or float?  

• sink
• float

What happens to the density of air molecules when they are heated?

• it decreases because the molecules get closer together

• it increases because the molecules get closer together

• it decreases because the molecules get farther apart

• the density remains the same

Tags

NGSS.MS-PS1-4

What happens to the density of air molecules when they are cooled?

• it increases because the molecules get closer together

• it decreases because the molecules get closer together

• they stay the same

• it decreases because the molecules get farther apart

Tags

NGSS.MS-PS1-4

All matter is made up of tiny _______________

• energy

• particles (atoms and molecules)

• bits

• antimatter

Tags

NGSS.MS-PS1-1

Blocks A and B are made out of the same material. Block C is made out of a different material. In this image, the DENSITY of A is _____ the density of B

• equal to

• greater than

• less than

Mass is the amount of _______ an object has

• Matter

• weight