Density- 10.7.23

The term density means____________________.

• the force of water

• the ability to float

• the heaviness or lightness of objects

• the degree to which molecules are packed tightly or loosely together

2. An object will sink in water if it_________________

• is denser than water

• is less dense than water

• has the same density as water

• is tastier than water

What factors affect an object’s ability to float?

• density

• shape

• size

• all of these

Objects like wood and foam float because they are _____________ than water.

• lighter

• heavier

• smaller

• less dense

An iceberg floats in ocean. Ice, which is solid water, must be __________ ocean water.

• bigger than

• denser than

• less dense than

• same density as

Why does the empty glass bottle with its metal lid closed, float in water?

• because glass is less dense than water

• because water is looking for a way to get into the water

• because it is actually filled with air particles that are loosely packed together

• because the metal lid is less dense than water

Object that is less dense than water will ____________ on the surface of the water.

• sink

• float

• swim

• fly

Which of the following objects will most likely float on water?

• 
• rock

• metal

• 

Which of the following objects will most likely sink in water?

• ball

• 
• 
• ship