Relative Density of Sink or Float

Relative Density

Open Ended

What do you already know about density?

Multiple Choice

Why do some things float and others sink?

• Things sink because they are heavy

• Things will float if they are small and sink if they are large

• Things sink because of their mass AND their volume

Open Ended

Ships are very heavy. How can a big ship float, while a penny sinks to the bottom of a fountain?

Multiple Choice

An object less dense than water will...

• sink

• float

• stay just below the surface of the water

Multiple Choice

An object more dense than water will...

• sink

• float

• stay just below the surface of the water

Multiple Choice

An object behaves differently in two solutions, it is because of

• density

• looks

• love

• volume

Density

• An item that is less dense than water will float in water.

• An item that is more dense than water will sink in water.

Multiple Choice

Concentrated salt solutions are _____ than dilute salt solutions.

• more dense

• less dense

Poll

I am ready to answer my focus question!

• Let's go!

• Need more review.

• What is density?