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- 1. Multiple ChoiceWhat are the states of matter?solid, liquid, and juicesolid and liquidsolid and gassolid, liquid, and gas
- 2. Multiple Choice
Which box has a higher density?Box ABox Bcannot be determinedthey are the same - 3. Multiple ChoiceIf an object sinks in a fluid, _____.the density of the fluid is greater than the density of the objectthe density of the fluid is less than the density of the objectthe density of the fluid is equal to the density of the objectdensity has nothing to do with whether an object sinks or floats, only which state of matter the object is
- 4. Multiple ChoiceWater pressure increases as depth increases.TrueFalse
- 5. Multiple Choice
The term fluids generally applies to:
solid and liquid
liquid and gas
solid and plasma
water only
- 6. Multiple Choice
Which statements below is INCORRECT about liquids and gases?
Liquids possess greater kinetic energy than gases.
Gases have weak molecular force of attraction while liquids have a moderate force of attraction.
Liquids have a definite size where gases can expand to fill any closed container.
Gases are easily compressed where liquids are not.
- 7. Multiple Choice
These statements are about the particle model of matter. Which one is not correct?
Liquids are hard to compress because their particles are very close together
Gases expand to fill their container because there are only weak forces between the particles
Liquids can flow because there are only very weak forces between the particles
Solids have a fixed shape because there are very strong forces between the particles
- 8. Multiple Choice
Why do solids expand when they are heated?
The particles get bigger
The particles vibrate more and take up more space
The particles vibrate more and get closer together
The particles stick together
- 9. Multiple Choice
Density is
the weight of a fixed mass of something
the volume of a fixed weight of something
the weight of a fixed volume of something
the mass of a fixed volume of something
- 10. Multiple ChoiceWhat is the secret of how a ship floats?its sizeits hollow shapethe amount of cargo it carriesnumber of passengers on board
- 11. Multiple ChoiceHow do you find the volume of an irregular shaped solid?water displacementweighing itusing a balancemultiplying the length by its sides
- 12. Multiple ChoiceHow does air pressure change as you go from the top of a mountain to sea level?pressure increasespressure decreasespressure stays the sameit depends of the weather
- 13. Multiple Choice
Density is:
the weight of a fixed mass of something.
the volume of a fixed weight of something.
the weight of a fixed volume of something.
the mass of a fixed volume of something.
- 14. Multiple Choice
When liquid water changes into steam it is:
evaporating.
condensing.
melting.
dissolving.
- 15. Multiple Choice
In what way is ice different to other solid materials?
It is colder.
It occurs naturally.
Ice (solid water) is less dense than liquid water.
The density of ice does not change when it is cooled down.
- 16. Multiple Choice
Which of these forces is the upthrust?
A
B
C
D
- 17. Multiple Choice
Why does a hot air balloon float in air?
Air is less dense than water.
The density of hot air is less than the density of cold air.
Air is denser on cold days.
The overall density of the balloon and its basket is less than the density of the air.
- 18. Multiple Choice
The air resistance of a car can be reduced by:
making the car bigger.
giving it a streamlined shape.
making the car heavier.
putting a roof box on it.
- 19. Multiple Choice
A car needs a forwards force to keep moving because:
everything needs a force to keep moving.
gravity is trying to slow it down.
it needs a force to balance friction and air resistance.
weight balances friction.
- 20. Multiple Choice
A state of matter in which a substance has neither a definite shape or volume
liquid
gas
solid
viscosity
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