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Worksheets

revision Year 11

Total questions: 123

Worksheet time: 7hrs 26mins

Name
Class
Date
1.

Energy is the ability to cause _________.

a)

change

b)

problems

c)

channels

d)

solutions

2.

Energy is measured in _________.

a)

joules

b)

kilometers

c)

newtons

d)

meters per second

3.

When you ride a playground swing, your potential energy is greatest at the _________ point.

a)

highest

b)

lowest

c)

mid

d)

far

4.

__________ energy travels from the Sun to Earth and is transformed into chemical energy by plants.

a)

Chemical

b)

Solar

c)

Mechanical

d)

Kinetic

5.

As mass decreases, kinetic energy ________.

a)

decreases

b)

increases

c)

stays the same

d)

is not related

6.

Lowering an object __________ its potential energy.

a)

decreases

b)

increases

c)

does not change

d)

doubles

7.

The sum of potential and kinetic energy in a system is called the ________ energy.

a)

mechanical

b)

solar

c)

chemical

d)

electrical

8.

Energy from the Sun and energy from food are just different forms of the same thing.

a)

True

b)

False

9.

Carbohydrates and fats provide our bodies with energy in the form of ________.

a)

calories

b)

cookies

c)

newtons

d)

meters

10.

The kinetic energy of an object increases as its ____ increases.

a)

gravitational energy

b)

heat energy

c)

potential energy

d)

velocity

11.

Increasing the speed of an object ____ its potential energy.

a)

changes

b)

decreases

c)

does not affect

d)

increases

12.

The SI unit for energy is the ____.

a)

calorie

b)

joule

c)

kilogram

d)

meter per second

13.

You can calculate kinetic energy by using the equation: KE = _____.

a)

m (kg) x 9.8 m/s2 x h (m)

b)

1/2 m (kg) x v2 (m2/s2)

c)

w (m) x h (m)

d)

9.8 m/s2 x 1/2 m (kg)

14.

You can calculate gravitational potential energy by using the equation: GPE (J) =

a)

1/2 m (kg) x 1/2h (m)

b)

h (m) x 9.8 m/s2

c)

m (kg) x 9.8 m/s2 x h (m)

d)

1/2 h (m) x w (m)

15.

Which of the following devices does not make use of electrical energy?

a)

upright piano

b)

toaster

c)

digital camera

d)

radio

16.

A bus engine transfers chemical potential energy into ____ so that the bus moves.

a)

thermal energy

b)

electrical energy

c)

gravitational potential energy

d)

kinetic energy

17.

According to the law of conservation of energy, the total amount of energy in the universe ____.

a)

remains constant

b)

increases

c)

changes constantly

d)

decreases

18.

Stored energy is also known as ______ energy.

a)

kinetic

b)

potential

c)

mechanical

d)

none of these

19.

The unit for work is the _____, named after James Prescott _____. [same word for each blank space]

a)

Joule

b)

Watt

c)

Newton

d)

none of these

20.

Energy stored by things attracted to each other by the force of gravity is called _________ potential energy.

a)

gravitational

b)

elastic

c)

mechanical

d)

none of these

21.

In order for work to be done on an object, the object must ______.

a)

have a force applied in any direction

b)

move in a direction opposite of the applied force

c)

move in the direction of the applied force

d)

none of these

22.

What location on the coaster has the greatest potential energy

a)

W

b)

X

c)

Y

d)

Z

23.

Which location has the least potential energy but the most kinetic energy.

a)

W

b)

X

c)

Y

d)

Z

24.

A ball has 100 J of potential energy when it is on a shelf. What happens to the potential energy and the kinetic energy as the ball falls, and find the amount of kinetic energy the ball has at the instant it hits the floor?

a)

Greater than 100 Joules because it is speeding up

b)

100 Joules if you neglect the energy lost due to friction

c)

Less than 100 Joules because the energy is lost

d)

none of these

25.
___________ is measured by the unit Joules.
a)
Heat energy
b)
Temperature
c)
Specific heat
26.
What  is the formula to calculate heat energy required to raise the temperature of any substance?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ½mv
d)
m=QC
27.
A high specific heat means...
a)
It heats up quickly with energy added
b)
It requires more energy to change temperature
28.
The symbol for specific heat is .......
a)
c
b)
Q
c)
m
d)
t
29.
What unit do you use to measure Thermal Energy?
a)
J/Kg ºC
b)
Kg
c)
ºC
d)
J
30.
What is Specific Heat?
a)
The  amount of thermal energy required to increase the temperature of 1kg of a material by 1°C.
b)
The  amount of radiant energy required to increase the temperature of 1kgof a material by 1°C
c)
The  amount of energy required to increase the temperature of 1kgof a material by 1°C.
d)
The  amount of friction  required to increase the temperature of 1kgof a material by 1°C.
31.

The specific heat of platinum is 0.133 J/g°C. How much heat(Q) is released when a 10 g piece of platinum cools from 100°C to 50°C?

a)

66.5 J

b)

665 J

c)

0.0266 J

d)

0.665 J

32.

20 g of water. specific heat of water is 4.18 J/g°C. temperature changes from 25° C to 20° C, how much heat energy (Q) moves from the water to the surroundings?

a)

418 J

b)

209 J

c)

83 J

d)

4.18 J

33.
A pot of 2400g of water at a temperature of 25˚C is heated on a stove until the water boils (100˚C).  The specific heat of water is 4.18 J/(g˚C).
Determine the heat energy needed to heat the water in the pot to boiling.
a)
133.76J
b)
43,062.2J
c)
752,400J
d)
1,003,200J
34.

The SI units J kg-1°C-1 measures

a)

Specific heat capacity

b)

Heat capacity

c)

temperature

d)

heat energy

35.

The specific heat(c) of copper is 390  J kg−1°C−1J\ kg^{-1}\degree C^{-1}  . What is the temperature change when 100 J of heat  is applied on the 20 g of copper?

a)

12 °C

b)

24.12°C

c)

1.95 °C

d)

12.82 °C

36.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy.  What material would be the coolest after being heated?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
37.

_______________ states that the amount of heat energy is required to raise 1 kg of object's temperature of 1°C.

a)

Conduction

b)

Convection

c)

Specific heat capacity

d)

Heat capacity

38.

Which material heats up quickest?

a)

Aluminium

b)

Concrete

c)

Diamond

d)

Glass

e)

Water

39.

What is the equation for specific heat capacity?

a)

Q=mcΔθQ=mc\Delta\theta

b)

Q=mcΔθQ=\frac{mc}{\Delta\theta}

c)

Q=ΔθmcQ=\frac{\Delta\theta}{mc}

d)

Q=cΔθmQ=\frac{c\Delta\theta}{m}

e)

Q=mΔcTQ=m\Delta cT

40.

Which will heat up faster?

a)

copper

b)

granite

c)

iron

d)

basalt

41.

Which will heat up slower?

a)

water

b)

lead

c)

granite

d)

iron

42.

Which of the following best explains why the sand at the beach is hotter than the water?

a)

Sand has a higher specific heat than water.

b)

Sand has a lower specific heat than water.

c)

There is more water than sand at the beach.

d)

There is more sand than water at the beach.

43.
How does heat flow?
a)
Always from cold to warm
b)
Always from warm to cold
c)
Both warm to cold & cold to warm
d)
It depends on the temperature
44.

The amount of energy required to raise the temperature 1ºC for every gram is called____?

a)

Thermal Energy

b)

Specific Heat

c)

Temperature

d)

Kinetic Energy

45.
Copper, Stainless Steel, Carbon Steel, and Zinc were all heated using the same thermal energy.  What material would be the coolest after being heated?
a)
Copper
b)
Carbon Steel
c)
Zinc
d)
Stainless Steel
46.
Specific heat of water is  4.18 J/g°C. Specific heat of wood is 1.760 J/g°C What material needs more heat energy to raise the temperature?
a)
Water
b)
Wood
c)
Both are same
47.

_______________ states that the amount of heat energy is required to raise 1 kg of object's temperature of 1°C.

a)

Conduction

b)

Convection

c)

Specific heat capacity

d)

Heat capacity

48.
The amount of energy required to raise the temperature 1ºC for every kilogram is called____?
a)
Thermal Energy
b)
Specific Heat
c)
Temperature
d)
Kinetic Energy
49.
What stage comes directly before the "main sequence" in the life cycle of star?
a)
Cloud of Gas
b)
Red giant
c)
Protostar
d)
Shell of Gas
50.
What process takes place inside a star to generate energy
a)
Nuclear fission
b)
Hydrogen Creation
c)
Nuclear fusion
d)
Helium forming
51.
What is responsible for bringing the particles together when a star is first born?
a)
Electrostatic Attraction
b)
Heat Energy
c)
Cosmic Radiation
d)
Gravity
52.
What do the initial moments after the Big Bang have in common with the universe as it exists now? 
a)
all the stars, galaxies, and planets that exist today were formed just a few moments after the Big Bang
b)
The universe back then could not sustain life, and it cannot sustain life now
c)
the universe was extremely hot then, and it is still extremely hot not
d)
the universe began expanding then, and it is still expanding today
53.
What were the original two elements in our universe?
a)
Lithium and Carbon
b)
Hydrogen and Neon
c)
Helium and Chlorine
d)
Hydrogen and Helium
54.
After a supernova of what used to be a blue star with a very large mass, what is left?
a)
white dwarf star
b)
black dwarf star
c)
black hole
d)
white hole
55.
Stars are formed in a large cloud of gas and dust called a
a)
cumulonimbus cloud
b)
nebula
c)
neutron star
d)
black hole
56.
What is found on the x axis of an H-R diagram?
a)
Luminosity
(or brightness)
b)
Temperature
c)
Star Size
d)
Distance
57.
Which of these puts the main parts of an average star's life cycle in the correct order?
a)
protostar>
main sequence>
red giant >
white dwarf
b)
protostar> 
main sequence> 
white dwarf> 
red giant
c)
main sequence> 
protostar> 
white dwarf> 
red giant
d)
protostar> 
red giant >
main sequence> 
white dwarf
58.
When do lunar eclipses occur?
a)
When Earth passes between the moon and sun.
b)
When the moon passes between the Earth and sun.
c)
When the moon makes half of the Earth cold.
d)
When Mars gets too close to the sun and causes an eclipse.
59.
Why is the light from distant galaxies red-shifted?
a)
They produce more red light than nearby galaxies
b)
They are moving away from us
c)
The longer wavelengths are filtered out more by dust
d)
They are moving toward us
60.
What season is the Northern Hemisphere in at position 4?
a)
Winter
b)
Spring
c)
Summer
d)
Fall
61.
What season is the Southern Hemisphere in at position 1?
a)
Winter
b)
Spring
c)
Summer
d)
Fall
62.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
63.

What is a cloud of gas and dust held together by gravity?

a)

Black Hole

b)

Nebula

c)

Supernova

d)

Avalanche

64.

What does every star start out as?

a)

Neutron

b)

Black Hole

c)

Nebula

d)

Supernova

65.

What stage of a star's life is this?

a)

Main Sequence

b)

Nebula

c)

Red Giant

d)

Supernova

66.

What stage of a star's life is this?

a)

Red Giant

b)

Main Sequence

c)

Planetary Nebula

d)

Black Hole

67.

What stage of a star's life is this?

a)

Main Sequence

b)

Planetary Nebula

c)

Red Giant

d)

Supernova

68.

What stage of a star's life is this?

a)

Red Giant

b)

Main Sequence

c)

Planetary Nebula

d)

Supernova

69.

What stage of a star's life is this?

a)

Supernova

b)

Planetary Nebula

c)

Red Giant

d)

Neutron Star

70.

What stage of a star's life is this?

a)

Nebula

b)

Black Hole

c)

Neutron Star

d)

White Dwarf

71.

What stage of a star's life is this?

a)

Nebula

b)

Neutron Star

c)

White Dwarf

d)

Black Hole

72.

What stage of a star's life is this?

a)

Nebula

b)

Black Hole

c)

Neutron Star

d)

White Dwarf

73.

When the nebula collapses from gravity, what happens in the core to give birth to a star?

a)

Nuclear Explosion

b)

Nuclear Combustion

c)

Nuclear Waste

d)

Nuclear Fusion

74.

What is a star's main source of fuel?

a)

Petroleum

b)

Gasoline

c)

Oxygen

d)

Hydrogen

75.

What stage occurs when the star runs out of fuel in the core?

a)

Red Giant

b)

Main Sequence

c)

Black Hole

d)

Neutron Star

76.

The length of a star's life depends on...

a)

Water Levels

b)

CO2 Levels

c)

Size

d)

Chemical Composition

77.

What is another term used for a star's brightness?

a)

Lucidity

b)

Luminosity

c)

Lightity

d)

Luridity

78.

what is needed to make electricity flow

a)

a good power source

b)

a complete cuircuit

c)

donald trump

d)

rubber coating on the wire, which allows the electricity to be chaneled better

79.

what is this the symbol for

(a)  

80.

what symbol is the bottom one for?

(a)  

81.

what is this the symbol for?

(a)  

82.

what is this the symbol for?

(a)  

83.

what is this the symbol for?

(a)  

84.

what is this the symbol for?

(a)  

85.

what is this the symbol for?

(a)  

86.

current is the flow of (a)  

87.

(a)   is the flow of charge

88.

what is current measured in?

(a)  

89.

what are electrical conductors?

(a)  

90.

all metals are electrical conductors; true or false?

(a)  

91.

what do you call materials that do not allow current to flow through them?

(a)  

92.

what do you call a group of cells conected in a series?

(a)  

93.

what is a battery?

(a)  

94.

true or false, current is used up as it flows around a curcuit?

(a)  

95.

true or false; energy can be used up and batterys can go flat?

(a)  

96.

does current stay the same in a series curcuit?

(a)  

97.

what is a series curcuit?

a)

a circuit in which there are no components apart from the volt meter, switch ect.

b)

donald trump

c)

a circuit which has two paths, which conect later in the curcuit

d)

a circuit in which there is more than one component, not encluding switch and voltmeter ect

98.

would the lights be more dim in a series circuit, and if so why?

a)

yes they would, because the energy is shared across lots of different components

b)

yes, because the lights are evil and are sucking the energy out.

c)

no, it all stays the same

d)

no, they all burn brighter because all the bulbs make friends and are made brighter by the power of frendship.

99.

what is a parallel circuit?

a)

donald trump

b)

A parallel circuit comprises branches so that the current divides and only part of it flows through any branch.

c)

a curcuit with two different paths, one of them with a switch, the other one empty

d)

frendship is magic :)

100.

a (a)   circuit has junctions

101.

-------- can be used to controll the current and break or start the flow of energy

(a)  

102.
How do gases behave in a container?
a)
Cluster together
b)
form a solid
c)
They take the shape of their container
d)
leak out 
103.
How do materials change from one state of matter to another?
a)
They gain or lose energy
b)
They break appart
c)
The particles get stickyer
d)
They are magnetised to themselves
104.
Which description best matches this particle model?
a)
Closely packed and can't move a lot. 
b)
Particles are close together but can move a little. 
c)
Particles have lots of energy and can move around. 
105.
Which description best matches this particle model?
a)
Closely packed and can't move a lot. 
b)
Particles are close together but can move a little. 
c)
Particles have lots of energy and can move around. 
106.
Which description best matches this particle model?
a)
Closely packed and can't move a lot. 
b)
Particles are close together but can move a little. 
c)
Particles have lots of energy and can move around. 
107.
Which state of matter can be compressed?
a)
Solid
b)
Liquid 
c)
Gas
108.

Gold has a density of 19.3g/cm3 What would the mass of a 2cm x 3cm x 4cm block be?

a)

38.6g

b)

463.1g

c)

115.8g

d)

231.6g

109.

What causes gas pressure?

a)

The gas particles condensing on the surface of a container

b)

The gas particles colliding with each other

c)

The gas particles colliding with the surface of the container

110.

Assuming temperature remains constant, what will happen to the pressure of a gas if the volume is decreased?

a)

the pressure will increase

b)

the pressure will decrease

c)

the pressure will not change.

111.
If a balloon is cooled what will happen to the volume?
a)
Volume will increase
b)
Volume will decrease
c)
Volume will not change
112.

Latent Heat of Fusion: The amount of energy required to change the state of 1kg a substance from solid to liquid at fixed _____________

a)

Quantity

b)

Heat Energy

c)

Temperature

d)

Pressure

113.

A cube of metal has side 2 cm. It weighs 10g. Find its density.

a)

5 g / cm3

b)

20 g / cm3

c)

0.2 g / cm3

d)

1.25 g / cm3

114.
What two types of measurements make up DENSITY? 
a)
Mass and Volume
b)
Temperature and Mass
c)
Grams and Centimeters
d)
Volume and Weight
115.

Increasing the temperature of a gas increases the store of which energy type of the particles?

a)

Potential Energy

b)

Chemical Energy

c)

Kinetic Energy

d)

Pressure

116.

1 of the 5 main ideas of the particle model is

a)

All matter is made up of tiny particles too small to see

b)

All matter is made up of large particles

c)

Matter is only found in Science laboratories

d)

Matter is only found in solids

117.

what state does this particle model diagram represent?

a)

solid

b)

liquid

c)

gas

118.

what state does this particle model represent?

a)

solid

b)

liquid

c)

gas

119.

Which will heat up faster?

a)

copper

b)

granite

c)

iron

d)

basalt

120.

Which will heat up slower?

a)

water

b)

lead

c)

granite

d)

iron

121.
What would be the effect on the particles if more heat is supplied to the system?
a)
They would slow down
b)
They would stop moving
c)
They would speed up
d)
There would be no effect
122.
What is Specific Heat?
a)
The  amount of thermal energy required to increase the temperature of 1kg of a material by 1°C.
b)
The  amount of radiant energy required to increase the temperature of 1kgof a material by 1°C
c)
The  amount of energy required to increase the temperature of 1kgof a material by 1°C.
d)
The  amount of friction  required to increase the temperature of 1kgof a material by 1°C.
123.
What  is the formula to calculate heat energy required to raise the temperature of any substance?
a)
Q=mc∆t
b)
Q=mc
c)
Q= ½mv
d)
m=QC

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