Sink or Float

In the illustration, which object is denser than water?

• Foam block

• Rock

• Oil

• Rubber ball

Two objects are placed in a container with water. The keys are at the bottom of the container. A pool toy is at the top of the container. What are the relative densities of the objects?

• The keys are less dense. The toy is more dense

• The keys are more dense. The toy is more dense

• The keys are more dense. The toy is less dense

• The keys are less dense. The toy is less dense

Which objects will float in water?

• glass marbles

• foam block

• oil

• rock

Which objects will sink in water?

• glass marbles

• an apple

• a quarter

• a beach ball

Tags

NGSS.5-PS1-3

Is corn syrup less or more dense?

• Less dense

• More dense

Is oil less dense or more dense?

• Less dense

• More dense

Why does a block of wood float in water?

• Wood is less dense than water

• All wood floats

• Wood is denser than water

• Magic

Tags

NGSS.MS-PS2-4