Buoyancy

How is a big ship like the U.S battle ship able to float?

• Magic

• Displacement of water

• It does not it sinks

• Little buoyancy in the water

What is buoyancy? (more than one answer)

• Water is displaced around the item

• An items density determines if an item will float

• Only in fresh water not salt water

• Determines if an item will sink or float

True or False: Their is more buoyancy in saltwater

• True

• False

What has more density?

• Empty bucket

• Bucket full of sand

Why does a bowling ball sink and a basketball float?