Pressure and
Moments
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KS3 Unit 7c - Environment
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Q1. What is the gaseous
layer on a planet called?
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KS3 Unit 7c - Environment
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A1. Atmosphere
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Q2. What is the total
force applied divided by
the area on which it acts
called?
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A2. Pressure
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Q3. What is the gaseous
mixture surrounding the
planet Earth called?
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KS3 Unit 7c - Environment
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A3. Air
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Q4. What are the Earth's
oceans principally made
of?
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KS3 Unit 7c - Environment
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A4. Water
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Q5. What is the height of
liquid in a container
called?
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A5. Depth
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Q6. What do you call
something that prevents
the natural flow of a
river?
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A6. Dam
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Q7. What is the SI unit
of pressure - one newton
per square metre?
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A7. Pascal
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Q8. What is the opposite
of an operation or action
called?
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KS3 Unit 7c - Environment
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A8. Inverse
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Q9. What do you call
something that causes
an object to change
speed or direction?
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KS3 Unit 7c - Environment
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A9. Force
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Q10. What is another
word that means to
squash?
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A10. Compress
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Q11. Which word means
totally resistant to being
squashed?
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A11. Incompressible
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Q12. What are tiny
pieces of matter called?
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A12. Particles
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Q13. What is
transmission of
compressive forces by a
liquid called?
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KS3 Unit 7c - Environment
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A13. Hydraulics
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Q14. Which state of
matter has particles
close together but can
move easily past
eachother?
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A14. Liquid
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Q15. Which state of
matter has particles far
apart and moving quickly
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A15. Gas
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Q16. Gases and liquids
are both what?
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A16. Fluid
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Q17. What is the state of
matter where particles
are close together and
cannot move past
eachother easily?
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A17. Solid
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Q18. What is the product
of the applied force and
the perpendicular
distance to the axis
called?
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A18. The moment
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Q19. What do you call a
point about which
something turns - a lever
for example?
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A19. Pivot
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Q20. What do you call a
point about which
something turns - a
seesaw for example?
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A20. Fulcrum
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Well Done!
Now check your score
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