Density: Sink or Float

Explain why ice floats on water.

Ice is less dens than water.

What does density have to do with atoms?

Density describes how closely the atoms of a substance are packed together.

All substance have the same density.

False

Density is what kind of property?

Physical property

What is density?

The amount of " stuff " in a given space. A ratio of a substance's mass to its volume. Density=mass/volume

What is mass?

The amount of matter in a substance

Describe density,telling how it is calculated and how scientists use it.

The closer the atoms are packed together the higher the density.

Scientists can use the measure of density to tell if something will float.

True