Search Header Logo
Force and pressure

Force and pressure

Assessment

Presentation

Science

8th Grade

Medium

NGSS
MS-ESS2-5, MS-ESS2-4

Standards-aligned

Created by

Savita Singh

Used 98+ times

FREE Resource

1 Slide • 19 Questions

1

Force and pressure

Slide image

2

Multiple Choice

An object will ______ if its' density is greater than the density of the fluid it is in. 
1
Expand
2
Shrink
3
Float
4
Sink

3

Multiple Choice

When a diver dives deeper into the ocean, he will experience ...................... liquid pressure

1

greater

2

less

3

no

4

Multiple Choice

Air pressure is greatest when near Earth's surface because?
1
The air molecules are farther apart.
2
The air molecules are closer together.
3
Air molecules collide.
4
Air molecules are tightly packed.

5

Multiple Choice

As you climb up a mountain what happens to the air pressure?

1

decreases

2

increases

3

stays the same

6

Multiple Choice

In what direction(s) does air exert pressure?

1

everywhere

2

no where

3

there is no pressure

4

downward

7

Multiple Choice

Where would you find the largest pressure?
1
At the bottom of the ocean
2
At the top of Mt Everest
3
Close to ground on the Scotch oval
4
In a rockpool on the Great Barrier Reef

8

Multiple Choice

Pressure rxerted by air on the earth's surface

1

Pressure

2

Atmospheric pressure

3

Heat pressure

9

Multiple Choice

What is true about the volume of displaced fluid for an object that is completely submerged?

1

The volume of displaced fluid is equal to the object’s volume.

2

The volume of displaced fluid is less than the object’s volume.

3

The volume of displaced fluid is greater than the object’s volume.

4

The volume of displaced fluid is not related to the object’s volume.

10

Multiple Choice

An object will _______ if the weight of it is equal to the weight of the water in which it is in. 
1
Float
2
Sink
3
Expand
4
Shrink

11

Multiple Choice

Archimedes' principle states that the weight of the fluid an object displaces is equal to the buoyant force acting on the object. 
1
True
2
False

12

Multiple Choice

A buoyant force is a(n) ______ force 
1
Upward
2
Downward
3
Side ways

13

Multiple Choice

A person wearing steel toe capped boots and a person wearing stilleto heels stand on a wooden floor. They both have the same weight. Which person exerts a greater pressure on the floor?

1

The person wearing the boots because the boots have a larger surface area in contact with the floor

2

The person with the stiletto heels because they have a larger surface area in contact with the floor

3

The person wearing the boots because the boots have a smaller surface area in contact with the floor

4

The person with the stiletto heels because they have a smaller surface area in contact with the floor

14

Multiple Choice

Question image

Look at the pressure triangle. How do we calculate the area?

1

f ÷ a

2

f x p

3

p x f

4

f ÷ p

15

Multiple Choice

Which of these animals would probably cause the greatest pressure on the ground?
1
A fat cow with big feet
2
A fat cow with small feet
3
 A calf with big feet
4
A calf with small feet

16

Multiple Choice

Army tank tracks are useful for travelling through the mud because..

1

they decrease the force the vehicle exerts on the ground

2

they increase the force the vehicle exerts on the ground

3

they decrease the pressure the vehicle exerts on the ground

4

they increase the pressure the vehicle exerts on the ground

17

Multiple Choice

Question image

Which of the statements is true?

1

The bottom of the boot exerts more pressure than the shoe as a result of an increase in surface area.

2

The bottom of the shoe exerts more pressure than the boot as a result of an decrease in surface area.

3

The bottom of the shoe exerts the same pressure as the bottom of the boot.

18

Multiple Choice

What is the unit of measurement for pressure?
1
pascal
2
grams
3
milliters
4
meters

19

Multiple Choice

Fluids can also include__ and__. 
1
solids and liquids
2
solids and gases
3
liquids and gases
4
liquids

20

Multiple Choice

What is the equation used to calculate pressure?
1
pressure= force/mass
2
pressure =mass/volume
3
pressure=area/force
4
pressure=force/area

Force and pressure

Slide image

Show answer

Auto Play

Slide 1 / 20

SLIDE