Ray's Science Quiz-fluids, Force, And Accelaration

40 Questions | By Rayguy | Last updated: Mar 15, 2022 | Total Attempts: 80

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In this quiz, test your knowledge on a variety of different scientific topics such as force, acceleration and fluids. Answer questions on pressure, weight, wind and more to see how much you really know about science.

Questions and Answers

1.

Pressure is equal to
- A.
  
  Force times area
- B.
  
  Force divided by area
2.

If you stand on your left foot and put your right foot down, the pressure on your left foot
- A.
  
  Increases
- B.
  
  Decreases
- C.
  
  Remains the same
3.

The SI unit of pressure is the
- A.
  
  Newton
- B.
  
  Pascal
- C.
  
  Millibar
4.

For a given weight, if the area of contact between two surfaces decreases, the pressure
- A.
  
  Increases
- B.
  
  Decreases
5.

A pascal is
- A.
  
  1 m/N
- B.
  
  1 kg/m
- C.
  
  1 N/m2
6.

A tall thin glass and a wide short glass are each filled with the same amount of water. The pressure on the bottom of the tall thin glass is _________________the pressure on the bottom of the wide short glass.
- A.
  
  Greater than
- B.
  
  Less than
- C.
  
  The same as
7.

As you go deeper into a swimming pool, the pressure on your ears
- A.
  
  Decreases
- B.
  
  Increases
- C.
  
  Remains the same
8.

When you stand shoulder-deep in the water in a lake, the pressure on your shoulders is ______________the pressure on your ankles.
- A.
  
  Less than
- B.
  
  Greater than
- C.
  
  The same as
9.

A fluid is a any substance that has no definite _____.
10.

A fluid also has the ability to __________.
11.

The pressure exerted by a fluid on a _________doesn't depend on the shape of the container.
12.

The atmosphere exerts a pressure of about _____at sea level
- A.
  
  100 N
- B.
  
  1000 N
- C.
  
  100,000 N
- D.
  
  3 N
13.

An instrument used to measure air pressure is a _______________.
14.

Fluids at rest can exert ____________ that do useful work.
15.

Pushing on a fluid can increase ________________.
16.

The pressure the fluid exerts is _________________by the amount of the additional force being applied.
17.

_____________________is when a force is applied to a fluid in a closed container, the pressure throughout the fluid increases by the same amount.
18.

A _________________uses a fluid to increase an applied force.
- A.
  
  Water system
- B.
  
  Weight bearing system
- C.
  
  Hydraulic system
19.

A fluid will move from a higher pressure environment to a __________pressure environment.
- A.
  
  Medium
- B.
  
  Higher
- C.
  
  Lower
20.

Wind can _________the rate at which smoke rises in a chimney.
21.

Hurricanes and other high winds can ______________the air pressure outside a house and the roof can be pushed off the house by the higher pressure of the still air inside.
22.

Moving ______produces a force that allows planes and birds to fly.
- A.
  
  Water
- B.
  
  Air
- C.
  
  Particles
23.

_______is created by downward flowing air which exerts an upward reaction force on the wing.
24.

Increasing the size or surface areas of the wing can __________lift.
- A.
  
  Decrease
- B.
  
  Increase
25.

Planes and birds have various wing ________depending on the type of flight.