Why Do Icebergs Float?

What is an iceberg?

• A huge piece of ice floating in the ocean

• A mountain made of rocks

• A type of fish

• A cloud in the sky

What happens to water when it gets really, really cold?

• It turns into steam

• It turns into ice

• It disappears

• It turns into sand

Which of these objects is less dense than water?

• A penny

• Ice

• A rock

• Metal

What do you call the tiny parts that make up water?

• Droplets

• Pebbles

• Leaves

• Feathers

What happens to the water droplets when water freezes?

• They move closer together

• They move further apart

• They disappear

• They turn into air

Why do icebergs float in the ocean?

• Because they are heavier than water

• Because they are less dense than water

• Because they are made of metal

• Because they are attached to the sea floor

If you put a penny and an ice cube in water, what will happen?

• Both will float

• Both will sink

• The penny will sink and the ice cube will float

• The penny will float and the ice cube will sink

What does it mean if something is "dense"?

• It is very light

• It has a lot of stuff packed into a small space

• It is very colorful

• It is very soft

What happens to the weight of water when it freezes into ice?

• It gets heavier

• It gets lighter

• It stays the same

• It disappears

Why did the top of the bottle pop off when water froze inside it?

• Because the ice got smaller

• Because the ice took up more space

• Because the bottle melted

• Because the water turned into gas