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

40 Questions | Total Attempts: 80  Settings  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.

• 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.
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