Proposal Instrument

Dry sponge will float or sink in water?

• Float

• Sink

Keys will float or sink in water?

• Float

• Sink

Select the objects floats in water.

• Coin

• Marble

• Ping - pong ball

• Soap

A material that is less dense will -

• Float

• Sink

A material that is more dense will -

• Sink

• Float

Why doesn't a toy duck sink?

• A toy duck more dense than water.

• A toy duck less dense than water.

• A toy duck is light.

Oil will _________ on the surface of the water as oil is _______dense than the water.

• sink , less

• float , less

• float , more

• sink , more

Why do ice cubes float in a  glass of water?

• 
  the ice cubes are more dense than the water

• the water is more dense than the glass

• the water is more dense than the ice cubes

• the ice is more dense than the glass

Which liquid is the least dense?

• Oil

• Water

• Syrup

Why does the egg not sink or float?

• it is more dense than the water

• it is less dense than the water

• it has the same density as the water

• it is light