GL Buoyancy Practice 2

What is the name of the internal structure that controls a bony fish's depth in the water?

• Liver

• Air Pocket

• Lung Bladder

• Swim Bladder

What is buoyant force?

• An upward force exerted by fluids on an object.
• An downward force exerted by fluids on an object.

An empty water bottle floating on the water is an example of....

• positive buoyancy
• negative buoyoncy

If an object is neutrally buoyant it will ________.

• sink

• float

• neither float or sink

• objects cannot be neutrally buoyant...

What is a fish's swim bladder?

• An organ that helps it swim quickly.
• An organ that allows it to adjust its speed.
• An organ that allows it to adjust its shape.
• An organ that allows it to adjust its density and buoyancy.

If a Cichlid wants to go closer to the surface they should...

• Add air to their swim bladder

• Remove air from their swim bladder

If a Cichlid wants to go deeper down in the ocean then they should...

• Add air to their swim bladder

• Remove air from their swim bladder

Sharks lack a swim bladder.

• True
• False

The ship was able to float in the water because its weight was the same as the weight of the water it displaced.

• TRUE

• FALSE

Tags

NGSS.MS-PS2-4

What is Archimedes' Principle?

• The buoyant force is equal to the weight of the object

• The buoyant force is equal to the gravitational force of the fluid

• The buoyant force is equal on all sides of a submerged object

• The buoyant force is equal to the weight of the fluid displaced

• The buoyant force is equal to the mass of the fluid displaced