WorksheetsChapter 3 Review
Total questions: 26
Worksheet time: 13mins
Name
Class
Date
1.
What happens to pressure if the same force is exerted on a smaller area?
a)
The pressure stays the same.
b)
The pressure decreases.
c)
The pressure increases.
2.
Air pressure is a fluid pressure.
a)
True
b)
False
3.
When the pressure behind your eardrums becomes balanced with the outside air pressure...
a)
Your eardrums ring.
b)
Your eardrums pop.
c)
Your eardrums explode.
d)
Nothing happens.
4.
Archimedes' principle has to do with airplanes.
a)
True
b)
False
5.
Why does pressure change with elevation and depth?
a)
The air and water exert pressure.
b)
Your density changes.
c)
Your blood pressure changes.
d)
Pressure is always changing.
6.
Is hot air less dense or more dense than cool air?
a)
Hot air is less dense.
b)
Hot air is more dense.
c)
There is no difference.
7.
Archimedes' principle has to do with air pressure.
a)
True
b)
False
8.
Certain brakes or lifts are:
a)
Free flowing systems
b)
Hydraulic systems
c)
Ancient systems
d)
Pascal systems
9.
Can you blow up a balloon in a bottle.
a)
No
b)
Maybe
c)
It's very hard.
d)
It's easy to do with a straw by the balloon.
10.
Pressure is equal to:
a)
Force divided by area
b)
Force times area
c)
Area divided by force
d)
Force divided by pascal
11.
The are of a rectangle with a width of 55 m and a length of 10 m is.
a)
550 m
b)
5.50 m2
c)
550 m2
d)
5500 m
12.
We use _______ for our unit of measure for pressure.
a)
Meter
b)
Pascal
c)
Area
d)
Archimedes
13.
When we filled a cup to the top with water and tipped it over, we were demonstrating?
a)
Water pressure
b)
Air pressure
c)
Buoyancy
d)
Magic
14.
Buoyant force acts in:
a)
The direction opposite the force of gravity.
b)
The same direction as the force of gravity.
c)
Submersion.
d)
The same as Bernoulli's principle.
15.
The _______ of a substance is its mass per unit volume.
a)
Weight
b)
Buoyancy
c)
Density
d)
Pascal
16.
Our homemade barometer (marked straw, stuck to clay, inserted in water) showed
a)
Water is denser than a lot of clay
b)
Plain water is less dense than sugar water.
c)
Sugar water is less dense than plain water
17.
Earlier in the year, we did an activity that could be a part of this chapter. It had to do with moving objects in water.
a)
Cartesian Diver
b)
Density layers
18.
How does the buoyant force affect a submerged object?
a)
The object appears heavier.
b)
There is no discernible difference.
c)
The object appears lighter.
d)
The gravitational pull is heavier.
19.
Density is:
a)
Equals volume divided by mass
b)
Equals mass divided by volume
c)
Equals mass times volume
20.
An object sinks or floats depends on:
a)
Its weight.
b)
Its mass.
c)
Density
21.
When force is applied to a confined fluid, the change in pressure is transmitted equally to all parts of the fluid.
a)
Pascal's principle
b)
Archimedes' principle
c)
Bernoulli's
22.
The buoyant force acting on a submerged object is equal to the weight of the fluid the object displaces is:
a)
Pascal's principle
b)
Archimedes' principle
c)
Bernoulli's principle
23.
Bernoulli's principle explains how
a)
Airplanes fly
b)
Ships float
c)
Hydraulic systems work
d)
Birds fly
24.
Labs make the science concepts easier to understand.
a)
True
b)
False
c)
Either true or false
25.
As the speed of a moving fluid increases, the pressure within the fluid decreases is;
a)
Pascal's principle
b)
Archimedes' principle
c)
Bernoulli's principle
26.
I will ace Wednesday's science test
a)
Yes
b)
No
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