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QUIZ

8th

grade

64%

accuracy

27

plays

Emily Jones

4 years

No student devices needed. Know more

21 questions

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- 1. Multiple Choice2 minutes1 pt
The ratio of the weight of all the air above you to your surface area

fluid

atmosphere

atmospheric pressure

buoyant force

- 2. Multiple Choice2 minutes1 pt
Any substance that can flow and take the shape of the container that holds it

gas

liquid

fluid

solid

- 3. Multiple Choice2 minutes1 pt
The amount of force per unit area applied to an object's surface

pressure

force

work

mass

- 4. Multiple Choice2 minutes1 pt
An upward force applied by a fluid on an object in the fluid

Bernoulli

Buoyant force

gravity

Archimedes

- 5. Multiple Choice2 minutes1 pt
The weight of the fluid that an object displaces is equal to the buoyant force acting on the object

Archimedes' Principle

Bernoulli's Principle

Pascal's Principle

- 6. Multiple Choice2 minutes1 pt
If the weight of an object is greater than the buoyant force what happens?

It sinks

It floats

It goes up in the air

- 7. Multiple Choice2 minutes1 pt
If the weight of an object is equal to its buoyant force what happens?

it sinks

it floats

it goes up in the air

- 8. Multiple Choice2 minutes1 pt
Pressure=

force/area

area/force

weight/force

weight/area

- 9. Multiple Choice2 minutes1 pt
The pressure of a fluid decreases when the speed of that fluid increases.

Archimedes' Principle

Bernoulli's Priciple

Pascal's Principle

- 10. Multiple Choice2 minutes1 pt
A force that opposes the motion of an object through a fluid.

pressure

buoyant force

drag force

fulcrum

- 11. Multiple Choice2 minutes1 pt
When the pressure is applied to a fluid in a closed container, the pressure increases by the same amount everywhere in the container.

Archimedes' Principle

Bernoulli's Principle

Pascal's Principle

- 12. Multiple Choice2 minutes1 pt
The _____ changes on one side of a soccer ball when a spin is put on the ball.

pressure

force

speed

- 13. Multiple Choice2 minutes1 pt
If the roof on a house blows up and away, the pressure outside is ________ than inside the house.

greater

less

- 14. Multiple Choice2 minutes1 pt
Car mechanics rely on which principle?

Archimedes'

Bernoulli's

Pascal's

- 15. Multiple Choice2 minutes1 pt
Ships rely on which principle?

Archimedes'

Bernoulli's

Pascal's

- 16. Multiple Choice2 minutes1 pt
Garden hoses help to illustrate which priniciple?

Archimedes'

Bernoulli's

Pascal's

- 17. Multiple Choice2 minutes1 pt
When you _____ the pressure of a moving fluid, the speed of the fluid will

increase.

increase

decrease

- 18. Multiple Choice2 minutes1 pt
Which substance can occupy different volumes, depending on the container?

liquid

gas

fluid

- 19. Multiple Choice2 minutes1 pt
Which factor does NOT affect the density of a fluid?

mass

weight

volume

- 20. Multiple Choice2 minutes1 pt
At which location would atmospheric pressure be the greatest?

Sea level

the top of a mountain

the bottom of a valley

the surface of the water

- 21. Multiple Choice2 minutes1 pt
In which direction does drag force act upon an object?

upward

downward

with motion

against motion

- Answer choicesTagsAnswer choicesTags
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