Buoyancy

Buoyancy

8th - 9th Grade

9 Qs

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Buoyancy

Buoyancy

Assessment

Quiz

Physics

8th - 9th Grade

Medium

Created by

Ia Kurashvili

Used 23+ times

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9 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The formula for density is...

mass/ acceleration

volume/ mass

mass/ volume

acceleration/ mass

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Which cube is denser?

A

B

They have the same density

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Buoyancy is the tendency for objects to float in a fluid. We consider buoyancy the...

Anti-gravity force

Gravitational pull

Downwards pull on an object

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which will result in positive buoyancy?

When the buoyant force is greater than the force of gravity

When the buoyant force is less than the force of gravity

When the buoyant force is equal to the force of gravity

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is buoyant force?

An upward force exerted by fluids on an object.

A downward force exerted by fluids on an object.

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

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

positive buoyancy

negative buoyancy

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a true statement?

A cork has negative buoyancy

A penny has neutral buoyancy

A brick has positive buoyancy

A rowboat has positive buoyancy

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

weight of the object.

greater than

less than

the same as

9.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to Archimedes, the buoyant force on an object is

equal to ____.

the weight of the object

the fluid pressure on the object

the density of the fluid

the weight of the fluid displaced