Lesson T3.1.3
T3.1.3 Atmospheric pressure and height Quiz: KS3 Physics, Unit 3
20 questions
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Lesson T3.1.3, Atmospheric pressure and height: 20 multiple choice questions for the KS3 Physics (National Curriculum), Unit 3: Pressure, written with Revision Ninja.
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The 20 questions
-
What is the primary cause of atmospheric pressure on Earth?
- Ocean currents
- Wind speed
- Weight of air
- Earth rotation
-
What happens to atmospheric pressure as you climb high up a mountain?
- It decreases
- It drops to zero
- It increases
- It stays the same
-
Why do ears pop inside an aircraft cabin as it climbs rapidly?
- Gravity increases
- Cabin temperature rises
- Outside pressure drops
- Air density increases
-
What is the approximate value of atmospheric pressure at sea level?
- 100 000 Pa
- 100 Pa
- 1 000 Pa
- 10 000 000 Pa
-
Why does a crisp packet swell up when taken to the top of a mountain?
- Packet material shrinks
- Outside pressure drops
- Inside gas cools
- Gravity gets stronger
-
In which directions does atmospheric pressure act at any given point?
- In all directions
- Only upwards
- Only downwards
- Horizontally only
-
How does a vacuum cleaner collect dust using air pressure?
- Magnetic force pulls
- Internal pressure pulls
- Gravity draws
- External pressure pushes
-
What pushes liquid up a straw when you drink from it?
- Atmospheric pressure
- Gravity
- Vacuum suction
- Capillary action
-
Why is air near the ground denser than air higher up?
- Compressed by weight
- Magnetic attraction
- Higher humidity
- Cooler temperature
-
Which instrument is used to measure atmospheric pressure?
- Barometer
- Anemometer
- Thermometer
- Newtonmeter
-
What weather change is often suggested when air pressure falls?
- Frosty and clear
- Rain or wind
- Hot and dry
- Calm and sunny
-
Why does a hot-air balloon expand as it rises?
- Temperature falls
- Inside pressure increases
- Outside pressure decreases
- Gravity decreases
-
How does atmospheric pressure change with height?
- It decreases
- It fluctuates
- It increases
- It stays constant
-
Why do astronauts wear pressurised suits in space?
- High gravity
- Extreme cold
- High solar wind
- No atmospheric pressure
-
Why do mountain climbers need extra oxygen at high altitudes?
- Higher temperature
- Stronger gravity
- Lower air pressure
- Thicker air
-
Roughly what is the total weight of the air above a 1 m² area at sea level?
- About 100 N
- About 10 N
- About 100 000 N
- About 1 000 000 N
-
In the card-and-water glass trick, what force holds the water in?
- Downward gravity
- Magnetic force
- Surface tension
- Upward air pressure
-
What is created inside a sealed tin as air is pumped out?
- High pressure
- Partial vacuum
- Complete vacuum
- Magnetic field
-
Which quantity decreases as you climb a mountain?
- Wind speed
- Air weight above
- Solar radiation
- Gravitational field strength
-
Why does a sealed bottle look swollen at the top of a mountain?
- Gravity is stronger
- Outside pressure is higher
- Outside pressure is lower
- Air is colder
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