Why Things Float

The reason why some things float or sink is because water is...

• Water repels it

• Gravity stops

• Water is heavy

• Magic

Floating and Sinking: Why does the tennis ball that is cut in half float higher in the water than the tennis ball that isn’t cut in half?

• the water weighs less

• the tennis ball weighs less

• the air is released

• The water weighs more

When something floats we say it is _____________buoyant.

• Positively

• Negatively

• Neutrally

• Floaty

Why do some things float on the water?

• because it has no weight.

• because it has no mass.

• because it has no volume.

• because it is less dense.

The ability of an object to float

If an object is neutrally buoyant it will ________.

• sink

• float

• neither float or sink

• objects cannot be neutrally buoyant...

What happen to the beach ball when thrown into the water?

• It will burst.

• It will sink.

• it will float

• It will inflate.

Tags

NGSS.MS-PS2-2

Why does oil float when pour into the water?

• Oil is more dense than the water.

• Oil is less dense than the water.

• Oil has equal density with water.

• Both oil and water has no density.

what happen to the materials that are less dense than the liquid?

• It will sink.

• It will float.

• It will decay.

• It absorbs water.

What will happen to an object that is more dense than the water?

• It will sink.

• It will float.

• it will decay.

• It will disappear