Buoyant Force

If an object sinks in a fluid, the buoyant force is ____ the

weight of the object.

• greater than

• less than

• the same as

• does not apply

According to the Archimedes’ principle, the buoyant force on an object is equal to the _____ of the fluid that the object displaces.

• mass

• weight

• density

The buoyant force on an object is in the _____ direction.

• upward

• downward

• sideways

• backwards

An object has a mass of 13.6 grams and displaces 16.2 mL of water. Will the object sink or float?

• Sink

• Float

An object has a mass of 14.5 grams and displaces 13.7 mL of water. Will the object sink or float?

• Sink

• Float

A ball that weighs the same as the water it displaces when it is placed in the water will _____________.

• Sink

• Float

A boat filled with sand that has a weight equal to the weight of the water it displaces will ________.

• Sink

• Float

Objects in liquid experience a buoyant force.

• True

• False

Which of these will not float in water?

• 
• 
• 
• 

Explain why some objects float while others sink in water.

• Objects float or sink based on their color.

• Objects float or sink based on their shape.

• Objects float or sink based on their temperature.

• Objects float or sink in water based on their density.