Year 7 Buoyancy

Name the force that acts upwards on a rubber duck that is floating in a bath tub?

If the buoyant force on a object is greater than its weight force, then the object will

• Sink

• Float

If the buoyant force on a object is less than its weight force, then the object will

• Sink

• Float

Sea water has greater or lesser density than fresh water

• greater

• less

The buoyancy force of salt water is greater or lesser than that of fresh water

• greater

• less

Will a leaf float or sink in water

• Float

• Sink

Will a marble float or sink in water

• Float

• Sink

Will a sheet of a paper float or sink in water

• Float

• Sink

Will an apple float or sink in water

• Float

• Sink

Will a football float or sink in water

• Float

• Sink