Free Printable Unit 4 Review - Physical Science

Worksheets

Unit 4 Review - Physical Science

Total questions: 32

Worksheet time: 16mins

Name

Class

Date

1. What is the result of a force distributed over an area?

A) temperature

B) weight

C) pressure

D) mass

2. What is the SI unit for pressure?

A) g/cm 3

B) Newton

C) m/s 2

D) Pascal

3. A pressure of 70 N/m2 is equal to

A) 7 Pa

B) 700 Pa

C) 70 Pa

D) 7000 Pa

4. Where is fluid pressure greatest?

A) 30 cm below the surface of a swimming pool

B) 1 m below the surface of a swimming pool

C) 2 m below the surface of a swimming pool

D) The pressure is the same at all depths of the swimming pool

5. Which of the following materials is not a fluid?

A) air

B) ice

C) urine

D) water

6. The pressure of a fluid at a specific depth

a) depends only on the type of fluid.

b) is exerted only in the downward direction.

c) varies with the total volume of the fluid.

d) all of the above

7. Atmospheric pressure is caused by

A) air currents.

B) the weight of the atmosphere.

C) clouds.

D) the altitude above sea level

8. Which principle states that a change in the pressure at any point in a fluid in a closed container is transmitted equally and unchanged in all directions throughout the fluid?

A) Archimedes’ principle

B) Bernoulli’s principle

C) Aristotle’s principle

D) Pascal’s principle

9. Where will the greatest increase in pressure occur if you squeeze the middle of an upright, close soft-drink bottle?

A) the top of the bottle

B) the middle of the bottle

C) the bottom of the bottle

D) pressure will increase equally everywhere in the bottle

10.

10. Which of the following states Bernoulli’s principle?

a) As the speed of a fluid decreases, the pressure within the fluid decreases.

b) As the speed of a fluid increases, the pressure within the fluid decreases.

c) As the speed of a fluid changes, the pressure of the fluid remains constant.

d) none of the above

11.

11. The upward force acting on the wing of an airplane in flight is called

A) drag

B) lift

C) thrust

D) weight

12.

12. The upward force acting on an object submerged in a fluid is called

A) buoyant force

B) displacement

C) pressure

D) weight

13.

13. The buoyant force on an object in a fluid is equal to the weight of the

A) fluid.

B) fluid displaced by the object.

C) fluid surrounding the object.

D) object

14.

14. The relationship between buoyant force and weight of a displaced fluid was first stated by

A) Archimedes

B) Bernoulli

C) Newton

D) Pascal

15.

15. A ball is floating partially submerged in a liquid. The buoyant force acting on the ball equals

A) volume of the ball below the surface.

B) volume of the ball above the surface.

C) mass of the ball.

D) weight of the ball

16.

16. Which of the following substances will float in corn syrup? (density of corn syrup is 1.3 g/cm3)

copper (8.9 g/cm3)

iron (7.8 g/cm3)

silver (10.5 g/cm3)

glycerin (1.26 g/cm3)

17.

17. Which of the following substances will sink in glycerin? (density of glycerin is 1.26 g/cm3)

water (1.00 g/cm3)

benzene (0.90 g/cm3)

ethyl alcohol (0.81 g/cm3)

aluminum (2.70 g/cm3)

18.

20. The Pascal is the unit for (a) .

19.

22. The SI unit for pressure is (a) .

20.

23. The pressure exerted by a fluid at any given depth is exerted (a) in all directions.

21.

24. As altitude increases, air pressure (a) .

22.

25. In a hydraulic lift system, the fluid pressure exerted throughout the system is (a) .

23.

26. The downward force produced when air flows over the wing-like spoiler on a race car is an example of (a) ’s principle.

24.

27. The apparent loss of weight of an object in a fluid is called (a) .

25.

28. The direction of the buoyant force on an object placed in a fluid is (a) .

26.

29. Why aren’t humans crushed by the weight of the atmosphere?

4 lines

27.

30. Which exerts greater pressure on the floor:

A) Standing flat footed

B) Standing on tip-toes

28.

32. How are density and buoyancy related?

(a)

29.

A box has a weight of 120 lbs and the bottom of the box is 12 in2. What is the pressure the box exerts on the floor?

(a)

30.

A bronze statue weighs 2400 N and has a base that is 4m by 0.5 m. What is the pressure the statue exerts on the ground?

(a)

31.

What does a car weigh (its force) if its tires cover an area of 4 ft2 and the tires exert a pressure of 48,000 psi?

(a)

32.

To pop a balloon you stab it with a pencil. If the area of the pencil tip is 0.001 in2 and the pressure applied by the pencil to the balloon is 10 lbs/in2, how hard (what force) must you push on the pencil to make the balloon pop?

(a)

100 %

Unit 4 Review - Physical Science

Total questions: 32

Worksheet time: 16mins

Similar Resources on Wayground