Density (Sink or Float)

What were the first boats made of?

• Glass

• Plastic

• Wood

• Metal

What is density?

• A measure of height

• A measure of volume

• A measure of weight

• A measure of how much matter is in a space

Why do wooden objects float on water?

• They are less dense than water

• They are heavier than water

• They are more dense than water

• They are the same density as water

What happens to a solid block of metal in water?

• It sinks

• It bounces

• It stays in the middle

• It floats

How do metal boats manage to float?

• They are made of special metal

• They are smaller than water

• They have a lot of air inside

• They are lighter than water