Buoyancy Forces

A buoyant force is an upward force applied on an object by a 

• Substance
• Fluid
• Pressure
• Displacement

A buoyant force is a(n) ______ force 

• Upward
• Downward
• Side ways

Archimedes' principle states that the weight of the fluid an object displaces is equal to the buoyant force acting on the object. 

• True
• False

An object will _______ if the weight of it is equal to the weight of the water in which it is in. 

• Float
• Sink
• Expand
• Shrink

An object will ______ if its' density is greater than the density of the fluid it is in. 

• Expand
• Shrink
• Float
• Sink

An object with a very low buoyant force acting on it will _____. 

• Sink
• Float
• Expand
• Shrink

Which object, if thrown into a liquid, will have a greater buoyant force?

• Balloon
• Apple
• Rock
• Cell Phone

The volume of the liquid an object displaces will be equal to the buoyant force. 

• True
• False

When the weight of an object is greater than the buoyant force, the object will ... 

• Sink
• Float 
• Expand
• Shrink

Which of the following statements is correct?

• Liquids have a definite shape.

• Gases have a definite volume.

• Gases have a definite shape.

• Liquids have a definite volume.

Tags

NGSS.MS-PS1-4