Fluids buoyancy and temperature pressure

Buoyancy is:

• When an object sinks in liquid

• The ability to float in some liquid material

Water is the only liquid objects can either float or sink in.

• True

• False

Would this object float or sink?

• Float

• Sink

What does buoyancy depend on?

• The size of an object.

• The color of an object.

• The weight of an object.

• None of the above.

Does saltwater make an egg float or sink?

• Sink

• Float

What does it mean for an object to sink?

• It sits at the ground level below the surface water.

• It sits at the top of liquid.

Would this object float or sink?

• Float

• Sink

Life jackets help people (and dogs) stay buoyant in water.

• False

• True

An object _____________ when no part of it is above the water.

• Sinks

• Floats

• Breaks apart

what happens to the hot can after it has been dunked in the cold water bath?

• the can collapsed

• the can exploded

• the can melted

• the can was cooled