PHYSICAL SCIENCE - Ch. 5 Question Preview (ID: 53300)


Quiz. TEACHERS: click here for quick copy question ID numbers.

Which is NOT a fluid ?
a) water
b) gasoline
c) air
d) they all are fluids

Pressure is measured in
a) Newtons
b) Pascals
c) Watts
d) Horsepower

Which statement about pressure is NOT true ?
a) Pressure decreases as you climb a mountain
b) Pressure increases as you dive deeper into the ocean
c) The air pressure on you at sea level would be zero Pa
d) Atmospheric pressure is the weight of the air above you

If these were stacked in a jar which would make up the top layer ?
a) water
b) honey
c) air
d) vegetable oil

Why can a huge steel battleship float ?
a) because steel is so light
b) it won't if there is a storm
c) water and steel don't mix
d) the water is pushing up harder than the ship is pushing down

What explains why an airplane can fly ?
a) Pascal's principle
b) Archimede's principle
c) Bernoulli's principle
d) Aristotle's principle

What explains how a truck can be raised up on a hydraulic lift in a garage?
a) Pascal's principle
b) Archimede's principle
c) Bernoulli's principle
d) Einstein's Theory of Relativity

The force that opposes the motion of an object through a fluid is a ____ force.
a) balanced
b) density
c) drag
d) buoyancy

Why does a helium balloon rise up into the sky?
a) it is full of a gas
b) the wind is blowing
c) air is less dense than helium
d) helium is lighter than air

Which characteristic determines the density of a fluid ?
a) the energy of the particles
b) the mass of the particles and the distance between them
c) the number of particles and the distance between them
d) the shape of the particles

Which would have the greatest pressure applied to it ?
a) a fish swimming 20m below the surface
b) a hawk flying 300m above sea level
c) a mountain climber at an altitude of 4,400m
d) a person fishing off the coast of California

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