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Y8 Pressure
By Mr Pike
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Last updated about 11 hours ago
15 questions
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Formative Generation Completed!
Formative Generation Completed!
Question 1
1.
What is pressure?
Force divided by area
Force times area
Force plus area
Force minus area
Question 2
2.
True or False: Pressure and force are the same thing.
True
False
Question 3
3.
In which medium (air, water, vacuum) does sound travel slowest?
Air
Water
Vacuum
Question 4
4.
Which factors can affect air pressure? (Select all that apply.)
Temperature
Altitude
Humidity
Wind speed
Question 5
5.
What is the SI unit for pressure?
Pascal
Joule
Newton
Watt
Question 6
6.
True or False: The pressure exerted by a fluid at rest increases with depth.
True
False
Question 7
7.
What causes atmospheric pressure?
The weight of the atmosphere
The temperature of the atmosphere
The rotation of the Earth
The moon's gravitational pull
Question 8
8.
When you squeeze a balloon, what happens to the air pressure inside of it? (Select all that apply)
It increases
It decreases
It remains the same
It fluctuates
Question 9
9.
What does it mean when someone says 'the atmospheric pressure is dropping'?
A storm is coming
It's getting colder
Humidity is increasing
Wind speed is increasing
Question 10
10.
True or False: The tires of a bicycle feel firmer after a long ride because riding the bike increases the pressure inside the tires.
True
False
Question 11
11.
If you press your finger against a balloon, why doesn't it pop?
The balloon is flexible
The air pressure inside and outside the balloon is balanced
Your finger is not sharp enough
None of the above
Question 12
12.
When you swim underwater, why do your ears start to hurt? (Select all that apply.)
The pressure is higher
The temperature is lower
There are less air molecules
The water is slowing down sound waves
Question 13
13.
Pressure is a scalar quantity. What does this mean?
It has magnitude but no direction
It has both magnitude and direction
It has direction but no magnitude
None of the above
Question 14
14.
True or False: When you stand on your tiptoes, your feet exert more pressure on the floor than when you stand flat on your feet.
True
False
Question 15
15.
Which of the following could increase pressure?
Increasing force
Decreasing area
Increasing temperature
Both A and B