Relative Density

If a metal screw is denser than water, will it sink or float?

• Sink

• Float

Of all these layers, which is the least dense?

• The green liquid

• The blue liquid

• The red liquid

• The clear liquid

Tags

NGSS.MS-PS1-2

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.5-PS1-3

Which liquid is the least dense?

• oil
• water
• syrup 
• plastic bottle

Tags

NGSS.5-PS1-3

The water is ______ dense than the boat

• more
• less

Why do ice cubes float in a  glass of water?

• the ice cubes are more dense than the water
• the water is more dense than the ice cubes
• the water is more dense than the glass
• the ice is more dense than the glass

Tags

NGSS.5-PS1-3

Why do objects sink or float in H₂O? 

• Because their densities are higher or lower than compared to water
• Because their densities are using gravity to pull down
• Because their densities are heavier or lighter
• Because their mass and volumes are equal 

If you poured 3 liquids that do not mix how could you tell which one is the most dense?

• The liquid on top
• The liquid in the middle
• The liquid at the bottom

Tags

NGSS.5-PS1-3

A bobber floats on the water because it is....

• more dense than the water

• less dense than the water

• the same density as the water

• to show you when you have a bite

Rocks sink because they are

• the same density as the water

• less dense than the water

• more dense than the water

• because they're round