Sink or Float

What will happen if you add 2 ice cubes to a cup of water?

• The water level will go up.

• The water level will go down.

• The water level will stay the same.

• The water will boil.

Tags

NGSS.5-PS1-1

Which object will float in a tub of water?

• an iron weight

• a heavy rock

• a flat, thin leaf

• a solid gold statue

Which object will sink in a bowl of water?

• a pencil

• a gold ring

• an apple

• a balloon

Many HOLLOW objects like an empty box, soda can, or bottle float. What does HOLLOW mean?

• very heavy

• full of food

• full of liquid

• full of empty space

Which sentence is TRUE?

• Small objects always float.

• Big, heavy objects always sink.

• An object sinks if it is heavier than the water it pushes away.

• When an object floats, it falls to the bottom.