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Worksheets

Madam Jue

Total questions: 21

Worksheet time: 38mins

Name
Class
Date
1.
Bernoulli’s Principle explains how an airplane can stay aloft.
a)
True
b)
False
2.

Archimedes Principles explains how a steel ship can stay afloat.

a)

True

b)

False

3.

More dense objects will float on less dense objects.

a)

True

b)

False

4.

Pascal's Principle explains how hydraulic fluid can be used to move pistons on the bed of dump trucks.

a)

True

b)

False

5.

A unit of pressure is called a

a)

bernoulli

b)

pascal

c)

pound

d)

meter

6.

Which type of substance does Pascal's principle deal with?

a)

solids

b)

fluids

c)

powders

d)

metals

7.

One application of Pascal's principle is

a)

a hydraulic car lift

b)

the flight of an airplane

c)

a speedboat's bottom slapping against the waves

d)

the buoyancy shown by ducks and other waterfowl

8.

Which of the following is true of the buoyant force?

a)

it acts in the downward direction

b)

it acts with the force of gravity

c)

it acts in the upward direction

d)

ti makes an object feel heavier

9.

If an object floats, the volume of displaced water is equal to the volume of

a)

the entire object

b)

the portion of the object that is above water

c)

the portion of the object that is submerged

d)

exactly half of the object

10.

What scientific rule states that the buoyant force on an object is equal to the weight of the fluid displaced by the object?

a)

Archimedes' principle

b)

Pascal's principle

c)

Bernoulli's principle

d)

Newton's third law of motion

11.

A ship stays afloat as long as the buoyant force is

a)

less than the ship's weight

b)

equal to the ship's weight

c)

less than the ship's speed

d)

greater than the ship's speed

12.

The mass per unit volume of a substance is its

a)

density

b)

buoyancy

c)

weight

d)

fluid pressure

13.

An object that weighs more than the water it displaces will

a)

sink in water

b)

float in water

c)

neither sink nor float

d)

alternate sinking and floating

14.

This principle says that an increase in pressure on a confined fluid is transmitted equally to all parts of the fluid.

a)

Newton's Principle

b)

Bernoulli's Principle

c)

Archimedes' Principle

d)

Pascal's Principle

15.

This principle states that the faster a fluid moves, the less pressure the fluid exerts.

a)

Bernoulli's Principle

b)

Newton's Principle

c)

Pascal's Principle

d)

Archimedes' Principle

16.

Where will air move faster - above or below an airplane wing?

a)

above

b)

below

17.

Where will air move faster - above or below an airplane wing?

a)

above

b)

below

18.

Where will the pressure be greater - above or below the wing?

a)

above

b)

below

19.

Water pressure increases as

a)

depth increases

b)

gravity decreases

c)

force decreases

d)

acceleration increases

20.

What are the states of matter?

a)

solid, liquid, and juice

b)

solid and liquid

c)

solid and gas

d)

solid, liquid, and gas

21.

Which states of matter are fluid?

a)

solid

b)

liquid

c)

gas

d)

liquid and gas