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Physics Revision

Total questions: 117

Worksheet time: 2hrs 40mins

Name
Class
Date
1.

What is the best description of an opaque material?

a)

no light passes through the material

b)

some light passes through the material

c)

all light passes through the material

2.

What is the best description of a transparent material?

a)

no light passes through the material

b)

some light passes through the material

c)

all light passes through the material

3.

What is the best description of a translucent material?

a)

no light passes through the material

b)

some light passes through the material

c)

all light passes through the material

4.

Which pictures shows a translucent image?

a)
b)
c)
5.

Which pictures shows a transparent image?

a)
b)
c)
6.

Which pictures shows a translucent image?

a)
b)
c)
7.

What type of object is shown in the picture?

a)

opaque

b)

transparent

c)

translucent

8.

What type of object is the glass in the glasses considered?

a)

opaque

b)

transparent

c)

translucent

9.

What type of object is a mirror considered?

a)

opaque

b)

transparent

c)

translucent

10.

What type of object is the black rim around the glasses considered?

a)

opaque

b)

transparent

c)

translucent

11.

What type of object is the polarized lens in the sunglasses considered?

a)

opaque

b)

transparent

c)

translucent

12.

_____ is a wave

a)

sound

b)

light

c)

both

13.

_____ moves slower in a denser medium

a)

sound

b)

light

c)

both

14.

_____ moves faster in a denser medium

a)

sound

b)

light

c)

both

15.

_____ is a transverse wave

a)

sound

b)

light

c)

both

16.

_____ can refract

a)

sound

b)

light

c)

both

17.

_____ is a longitudinal wave

a)

sound

b)

light

c)

both

18.

_____ can absorb

a)

sound

b)

light

c)

both

19.

_____ can reflect

a)

sound

b)

light

c)

both

20.

_____ can transmit

a)

sound

b)

light

c)

both

21.

_____ moves in a parallel motion

a)

sound

b)

light

c)

both

22.

_____ moves in a perpendicular motion

a)

sound

b)

light

c)

both

23.

_____ is an electromagnetic wave

a)

sound

b)

light

c)

both

24.

_____ is an mechanical wave

a)

sound

b)

light

c)

both

25.

_____ travels faster

a)

sound

b)

light

c)

both

26.

The 3 well-known phenomena's of a light ray are:

a)

Scattering

b)

Reflection

c)

Absorbtion

d)

Refraction

27.

When a light ray hits a smooth surface, it bounces off that surface.

a)

Reflection

b)

Diffraction

c)

Scattering

d)

Refraction

28.

When a light ray bounces off a rough surface, it reflects all over the place

a)

Diffraction

b)

Reverberation

c)

Scattering

d)

Transmission

29.

When this occurs, light rays pass from one transparent medium to another transparent medium.

a)

Absorbtion

b)

Transmission

c)

Relfection

d)

Refraction

30.

The amount of bending, or (a)   , of the light wave depends on how much the material slows down the light.

31.

Write three materials that would cause scattering

4 lines
32.
At higher temperatures
a)
particles in an object have less energy
b)
particles in an object move faster
c)
a gas contracts
33.
A gas
a)
has a definite shape but no definite volume
b)
has a definite volume but no definite shape
c)
has fast-moving particles
34.

Freezing

a)

Solid to gas

b)

Liquid to solid

c)

Gas to solid

35.

Boiling

a)

liquid to gas

b)

gas to solid

c)

gas to liquid

36.
Which state of matter has a definite shape?
a)
solid
b)
liquid
c)
gas
37.

The state of matter that has no definite size or shape is

a)

Solid

b)

Liquid

c)

Gas

38.

Particles in a ______________________ move quickly and are far apart.

a)

gas

b)

solid

c)

liquid

39.

Solid to Gas

a)

Deposition

b)

Sublimation

c)

Evaporation

40.

The slower the particles in a substance move,

a)

the colder it is.

b)

the warmer it is.

c)

the more energy it has.

41.
The temperature of a substance increases as___.
a)
the substance expands
b)
the average kinetic energy of its particles increases
c)
the substance's volume increases
d)
the substance's mass increases
42.

Liquid to Gas

a)

Condensation

b)

Evaporation

c)

Sublimation

43.

Particles move relative to each other, but remain in contact with each other.

a)

solid

b)

liquid

c)

gas

44.

Basic state of matter with the greatest amount of energy.

a)

solid

b)

liquid

c)

gas

45.

What happens to particles when their temperature increases?

a)

The particles move slower

b)

The particles move faster

c)

The particles lose mass

d)

The particles gain mass

46.

The amount of space something takes up is its...

a)

Mass

b)

Volume

c)

Thermal Energy

d)

Temperature

47.

The energy of MOTION is...

a)

chemical energy

b)

radiant energy

c)

potential energy

d)

kinetic energy

48.

TRUE or FALSE: In order to change the state of matter, you need increase or decrease the energy (heat).

a)

TRUE

b)

FALSE

49.

TRUE or FALSE: The particles in solids move around a lot and spread out.

a)

TRUE

b)

FALSE

50.

TRUE or FALSE: Liquids have a fixed volume but not a fixed shape.

a)

TRUE

b)

FALSE

51.

TRUE or FALSE: Gases have the least kinetic energy out all 3 states of matter.

a)

TRUE

b)

FALSE

52.

Phase change from liquid to gas is called:

a)

Freezing

b)

Condensation

c)

Vaporization

d)

Sublimation

53.

Phase change from solid to gas is called:

a)

Freezing

b)

Condensation

c)

Vaporization

d)

Sublimation

54.

Phase change from liquid to solid is called:

a)

Melting

b)

Freezing

c)

Deposition

d)

Condensation

55.

Phase change from gas to liquid is called:

a)

Melting

b)

Freezing

c)

Deposition

d)

Condensation

56.

Phase change from gas to solid is called:

a)

Sublimation

b)

Freezing

c)

Deposition

d)

Vaporization

57.

When changing a substance from liquid to solid, the energy has to...

a)

INCREASE

b)

DECREASE

58.

When changing a substance from gas to liquid, the energy has to...

a)

INCREASE

b)

DECREASE

59.

When changing a substance from liquid to gas, the energy has to...

a)

INCREASE

b)

DECREASE

60.

Which of the following statements is NOT true about gases?

a)

Gases do not have fixed shape or volume

b)

Gas particles do not move much, but vibrate

c)

Gas particles have a lot of free space

d)

Unlike solids, gases can be compressed

61.

Which of the following statements is true about liquids?

a)

Particles do not move around much, but vibrate

b)

Particles have a lot of free space and spread out

c)

Liquids have fixed shape & volume

d)

Particles are less closely packed than solids

62.

Which of the following statements is true about phase changes?

a)

Solid turning into liquid is called freezing

b)

When ice melts, the kinetic energy is decreased

c)

Liquid turning into gas is called condensing

d)

When water boils, the kinetic energy is increased

63.

Which of the following statements is true about solids?

a)

Particles do not move around much, but vibrate

b)

Particles have a lot of free space and spread out

c)

Solids have fixed shape but not volume.

d)

Particles are less closely packed than gas.

64.

Look at the picture. Which state of matter is in beaker C?

a)

Solid

b)

Liquid

c)

Gas

d)

Blue thingys

65.

Look at the picture. Which state of matter is in beaker A?

a)

Solid

b)

Liquid

c)

Gas

d)

Blue thingys

66.

What is melting? (Definition)

a)

When liquid turns in solid.

b)

When solid turns into gas.

c)

When gas turns into liquid.

d)

When solid turns into liquid.

67.

What is sublimation? (Definition)

a)

When liquid turns in solid.

b)

When solid turns into gas.

c)

When gas turns into solid.

d)

When solid turns into liquid.

68.

What is Brownian motion?

a)

Brownian motion movement of particles not suspended in a liquid or gas or the mathematical model used to describe such random movements is often called a particle theory.

b)

movement of particles suspended in a liquid or gas or the mathematical that has modeled model used to describe such random movements, often called a particle theory.

c)

Brownian motion movement of particles suspended in a liquid or gas or the mathematical model used to describe such random movements is often called a particle theory.

d)

movement of particles suspended in a liquid or gas or the mathematical model

69.
3. Identify the states of matter where Brownian Motion can occur.
a)
a) Solid, liquid, gas
b)
b) Liquid, gas
c)
c) Solid, gas
d)
d) Solid, liquid
70.

Pollen grains suspended in water exhibit Brownian motion. How does a particle undergoing Brownian motion move?

a)

In smooth curves

b)

Randomly

c)

Orderly with a pattern

d)

In straight lines with no change of direction

71.

Diffusion is...

a)

It is the random movement of particles.

b)

It is when particles move from a place of higher concentration to a place with lower concentration.

c)

It is when particles move when being mixed together.

d)

It is when the particles hit the sides of their container.

72.
Why does ice float?
a)
Liquid water is less dense than solid water.
b)
Solid water is less dense than liquid water.
c)
Gaseous water is less dense than solid water.
d)
Liquid water is less dense than gaseous water.
73.
Put the liquids in order from most dense to least dense?
a)
4, 3, 2, 1
b)
1, 2, 3, 4
c)
3, 4, 2, 1, 
d)
4, 3, 1, 2
74.
What is the formula for density?
a)
density = mass x volume
b)
density = mass / volume
c)
density = mass + volume
d)
density = mass - volume
75.
Frank has an eraser. It has a mass of 4g, and a volume of 2cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
76.
Jack has a rock. The rock has a mass of 14g and a volume of 2cm3. What is the density of the rock?
a)
7 mL
b)
7 g/cm3
c)
28 g/cm3
d)
1/7 g/cm3
77.
Why do some substances float on water?
a)
they are warmer than water
b)
they are cooler than water
c)
they are more dense than water
d)
they are less dense than water
78.
Helium balloons rise on earth because
a)
helium is less dense than air
b)
helium is more dense than air
c)
helium is cooler than air
d)
helium is warmer than air
79.
What is the measuring unit for mass?
a)
centimeter 
b)
millimeter 
c)
grams 
d)
pounds
80.
Which units of measurement are used for volume?
a)
grams
b)
centimeters
c)
grams/milliliter
d)
milliliter
81.
What units are used to measure Density?
a)
cm3/g
b)
g
c)
g/cm3
d)
cm3
82.
A crayon has a mass of 10g and volume of 5 mL. What is the density?
a)
30 g/mL
b)
15 g/mL
c)
1 g/mL
d)
2 g/mL
83.
What is this tool to get volume?
a)
triple beam balance
b)
ruler
c)
thermometer
d)
graduate cylinder
84.
What is this tool to get mass?
a)
triple beam balance
b)
ruler
c)
thermometer
d)
graduate cylinder
85.
Frank has an eraser. It has a mass of 4 g, and a volume of 2 cm3. What is its density?
a)
8 g/cm3
b)
2 g/cm3
c)
1/2 g/cm3
d)
24 g/cm3
86.
An object with which of the following densities will float on water?
a)
0.7 g/cm3
b)
1.2 g/cm3
c)
3.5 g/cm3
d)
11.4 g/cm3
87.
What is the volume of Object X?
a)
10.0 cm3
b)
15.0 cm3
c)
20.0 cm3
d)
25.0 cm3
88.
Frank has a paper clip. It has a mass of 9g and a volume of 3cm3. What is its density?
a)
3 g/cm3
b)
1/3 g/cm3
c)
27 g/cm3
d)
39 g/cm3
89.
What term describes a solid changing to a gas?
a)
Deposition
b)
Sublimation
c)
Evaporation
d)
Freezing
90.
Particles (molecules) in a ______________________ have more energy than the other states of matter.
a)
gas
b)
solid
c)
liquid
91.
Molecules are closest together in a 
a)
Solid
b)
Liquid
c)
Gas
92.
Which state of matter has the lowest compressibility?
a)
Solid
b)
Liquid
c)
Gas
d)
Plasma
93.
When a gas changes directly to a solid, the process is known as what?
a)
Sublimation
b)
Condensation
c)
Deposition
d)
Evaporation
94.
Define a liquid.
a)
Indefinite shape, indefinite volume
b)
Definite shape, definite volume
c)
Found in stars
d)
Definite volume, indefinite shape
95.

What state/phase is the object likely from points A to B?

a)

Solid

b)

Liquid

c)

Gas

d)

Plasma

96.
What happens to particles when they are heated?
a)
They speed up and spread out
b)
They slow down and compress
c)
They stop moving
d)
They move closer together and speed up
97.

What happens to the density of a material when heated?

a)

Expands and density increases

b)

Contracts and density decreases

c)

Expands and density decreases

d)

Contracts and density increases

98.

What should engineers keep in mind while building?

4 lines
99.

What is the SI unit of pressure?

a)

Kg/m3

b)

Pa

c)

kg m-3

d)

N m2

100.

What is the formula for pressure?

a)

P = F / A

b)

P = F A

c)

P = A / F

d)

F = P / A

101.

The pressure resulting from a force of 50 N exerted over an area of 5 m2 is

a)

10 Nm2

b)

0.1 Nm2

c)

10 N m-2

d)

0.1 Pa

102.

When force increases...

a)

pressure increases

b)

pressure decreases

c)

pressure stays the same

d)

pressure increases then decreases

103.

When area increases...

a)

pressure increases

b)

pressure decreases

c)

pressure stays the same

d)

pressure increases then decreases

104.

Any substance that can easily flows and therefore can easily change shape.

a)

Fluid

b)

Liquid

c)

Gas

d)

Solid

105.

Fluids flow

a)

only when warmed up.

b)

from regions of low pressure to regions of high pressure.

c)

until evenly spread out.

d)

from high to low pressure.

106.

If an object has a density of 3.6 g/mL and you put it into water (density =1.0g/mL,) will it sink or float?

a)

sink

b)

float

c)

partially sink

d)

partially float

107.

When you increase your depth under water, the water pressure on your body

a)

increases

b)

decreases

c)

stays the same

108.
What decreases as you go up in the atmosphere?
a)
Altitude
b)
Atmosphere
c)
Meteors
d)
Air Pressure
109.

What pressure does a 4000N force exert on the ground if the area is 10 cm2?

a)

4 N m-2

b)

4000 N m-2

c)

400 N m-2

d)

40 N m-2

110.

Which two forces act on an object in water?

a)

gravity

b)

friction

c)

weight

d)

upthrust

111.

What happens if the weight of an object is equal to or less than the upthrust?

a)

It floats

b)

It sinks

c)

It spins

d)

It explodes!

112.

What is the scientific word for 'floating'

a)

levitating

b)

suspended

c)

buoyancy

d)

hovering

113.

What happens if the weight of an object is greater than the upthrust?

a)

it floats

b)

it sinks

c)

it bounces

d)

it vibrates

114.

Where would you find the largest pressure?

a)

At the bottom of the ocean

b)

At the top of Mt Everest

c)

Close to ground in Cuckfield

d)

In a rockpool on the Great Barrier Reef

115.
Look at the pressure triangle. How do we calculate the area?
a)
f ÷ a
b)
f x p
c)
p x f
d)
f ÷ p
116.
How can we increase the gas pressure inside a sealed container?
a)
Increase the number of particles inside the container
b)
Increase the temperature
c)
Decrease the volume of the container
d)
All of these
117.

What are 3 types of drag and how can you reduce them?

4 lines

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