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Year 10 Physics Revision

Total questions: 100

Worksheet time: 5hrs 19mins

Name
Class
Date
1.
Which statement is true about a moving object?
When an object is ....
a)
...accelerating, the resultant force acting on it must be zero
b)
... moving at a steady speed, the air resistance acting on it must equal zero
c)
... moving at a steady speed, the resultant force acting on it must equal zero
d)
... moving, there must be a resultant force acting on it.
2.
A woman lifts 20 bricks, each of weight 6N.
What other information is needed to calculate the useful work done in lifting the bricks?
a)
the distance she lifts the bricks
b)
the mass of the bricks
c)
the time taken to lift the bricks
d)
the volume of the bricks
3.
How far does the car travel before it reaches a steady speed?
a)
10m
b)
20m
c)
100m
d)
200m
4.
Which statement about mass and weight is correct?
a)
Mass and weight are both forces
b)
Neither mass nor weight is a force
c)
Only mass is a force
d)
Only weight is a force
5.
In a race, a car travels 60 times around a 3.6km track. This takes 2.4 hours. What is the average speed of the car?
a)
1.5 km/h
b)
90 km/h
c)
144 km/h
d)
216 km/h
6.
Two forces act on an object.
In which situation is it IMPOSSIBLE for the object to be in equilibrium?
a)
The two forces act in the same direction
b)
The two forces act through the same point
c)
The two forces are of the same type
d)
The two forces are the same size
7.

What is the Equation for Weight?

a)

Weight = Mass x Gravitational Field Strength

b)

Weight = Mass / Gravitational Field Strength

c)

Weight = Gravitational Field Strength / Mass

8.

What is the Equation for Work Done?

a)

Work Done = Force x Distance

b)

Work Done = Force / Distance

c)

Work Done = Distance / Force

9.

What is the Equation for Force applied to a Spring?

a)

Force applied to a Spring = Spring Constant x Extension

b)

Force applied to a Spring = Spring Constant / Extension

c)

Force applied to a Spring = Extension / Spring Constant

10.

What is the Equation for a Moment of a Force?

a)

Moment of a Force = Force x Distance

b)

Moment of a Force = Force / Distance

c)

Moment of a Force = Distance / Force

11.

What is the Equation for Pressure?

a)

Pressure = Force x Area of Surface

b)

Pressure = Force / Area of Surface

c)

Pressure = Area of Surface / Force

12.

What is the Equation for Acceleration?

a)

Acceleration = Change in Velocity x Time

b)

Acceleration = Change in Velocity / Time

c)

Acceleration = Time / Change in Velocity

13.

What is the Equation for Resultant Force?

a)

Resultant Force = Mass x Acceleration

b)

Resultant Force = Mass / Acceleration

c)

Resultant Force = Acceleration / Mass

14.

What is the Equation for Momentum?

a)

Momentum = Mass x Velocity

b)

Momentum = Mass / Velocity

c)

Momentum = Velocity / Mass

15.

What is the Equation for Kinetic Energy?

a)

Kinetic Energy = 0.5 x Mass x Speed²

b)

Kinetic Energy = 0.5 x Mass² x Speed

c)

Kinetic Energy = 0.5 x Mass² / Speed

16.

What are Equations for Gravitational Potential Energy?

a)

Gravitational Potential Energy = Mass x Gravitational Field Strength x Height

b)

Gravitational Potential Energy = Weight x Height

c)

Gravitational Potential Energy = Mass x Gravitational Field Strength / Height

d)

Gravitational Potential Energy = Weight / Height

17.

Which are the Equations for Power?

a)

Power = Energy Transferred / Time

b)

Power = Work Done / Time

c)

Power = Energy Transferred x Time

d)

Power = Work Done x Time

18.

What is the Equation for Charge Flow?

a)

Charge Flow = Current x Time

b)

Charge Flow = Current / Time

c)

Charge Flow = Time / Current

19.

What is another Equation for Power?

a)

Power = Potential Difference x Current

b)

Power = Potential Difference / Current

c)

Power = Current / Potential Difference

20.

What is another Equation for Power?

a)

Power = Current² x Resistance

b)

Power = Resistance² x Current

c)

Power = Resistance² / Current

21.

What are the Equations for Energy Transferred?

a)

Energy Transferred = Power x Time

b)

Energy Transferred = Power / Time

c)

Energy Transferred = Charge Flow x Potential Difference

d)

Energy Transferred = Charge Flow / Potential Difference

22.

The greater the mass of an object,

a)

the easier the object starts moving.

b)

the greater its inertia.

c)

the more balanced it is.

d)

the more space it takes up.

23.

Forces can be added together only if they are

a)

acting on the same object

b)

unaffected by gravity

c)

balanced forces

d)

substantial

24.

The momentum of an object is in the same direction as its

a)

force.

b)

velocity.

c)

acceleration.

d)

inertia.

25.

The overall force on an object after all the forces are added together is called the

a)

balanced force

b)

unbalanced force

c)

net force

d)

centripetal force

26.

The force of gravity between you and Earth is greater than the force of gravity between you and a car because Earth has more ____________________ than the car.

a)

mass

b)

density

c)

force

d)

friciton

27.

A skydiver with a mass of 70 kg accelerates to Earth at a rate of 9.8 m/s2 due to gravity. What is the force on the skydiver?

a)

79.8 Newtons

b)

7.14 Newtons

c)

0.14 Newtons

d)

68.60 Newtons

28.
In order of most to least penetrating radiation we have
a)
Alpha , Beta,  Gamma
b)
Beta , Gamma , Alpha
c)
Gamma, Beta, Alpha
d)
Gamma, Alpha, Beta
29.
Which type of radiation is the most ionising?
a)
alpha
b)
beta
c)
gamma
30.
Which type of radiation is the least ionising?
a)
alpha
b)
beta
c)
gamma
31.
What type of radiation can be stopped by a piece of paper?
a)
Alpha radiation
b)
Beta radiation
c)
Gamma radiation
32.
What type of radiation can be stopped by a approximately 5 cm of air?
a)
Alpha radiation
b)
Beta radiation
c)
gamma radiation
33.
What type of radiation can be stopped by a approximately 1 m of air?
a)
Alpha radiation
b)
Beta radiation
c)
gamma radiation
34.
What type of radiation can be stopped by a 5 mm piece of aluminium?
a)
Alpha radiation
b)
Beta radiation
c)
gamma radiation
35.
What type of radiation can be stopped by a thick lead sheet?
a)
Alpha radiation
b)
Beta radiation
c)
gamma radiation
36.
_______________ is the process by which unstable atoms emit radiation until they become stable.
a)
Radiation
b)
Chemical Reaction
c)
Radioactive Decay
d)
Isotopes
37.
Name the most penetrating type of radiation.
a)
alpha
b)
beta
c)
gamma
d)
lambda
38.
Name the instrument used to detect radioactivity.
a)
voltmeter
b)
ohmeter
c)
seismograph
d)
geiger counter
39.
Which of these is not a method for safely handling radioactive materials?
a)
Pointing it away from yourself and others
b)
Spending as little time as possible with the radiation
c)
Picking it up using your hands
d)
Storing in a lead lined container
40.
When does radioactive decay occur?
a)
When the nucleus of an isotope is unstable
b)
When the nucleus of an isotope is stable
c)
When the electrons of an isotope are spinning
d)
When the electrons of an isotope are shared with another isotope
41.
_________ happens naturally due to an unstable nucleus.
a)
fission
b)
fusion
c)
radioactive decay
d)
K-capture
42.
The splitting of a nucleus into smaller nuclei is
a)
fusion
b)
fission
c)
decay
d)
gamma radiation
43.
Which of these statements correctly describes how the chain reaction occurs in nuclear fission.
a)
Uranium releases electrons to create   electricity
b)
When a nuclear fission reaction occurs, the electrons emitted can strike other nuclei in the sample, and cause them to split
c)
When a nuclear fission reaction occurs, the neutrons emitted can strike other nuclei in the sample, and cause them to split
d)
 Protons and neutrons change to electrons because the nuclei are so big
44.
Half life is 
a)
Fission
b)
Fusion
c)
Radioactive Decay
45.
U-235 is the primary fuel
a)
Fission
b)
Fusion
c)
Radioactive Decay
46.
Which type of radioactive decay gives off energy only?
a)
alpha
b)
beta
c)
gamma
47.
What is Half-life?
a)
The amount of time it takes for some of the nuclei in a sample of the isotope to decay
b)
The amount of time it takes for half the electrons in a sample of the isotope to decay
c)
The amount of time it takes for half the nuclei in a sample of the isotope to decay
d)
the amount of time it takes to double the nuclei in a sample of the isotope to decay
48.
What is emitted during  Alpha Radiation?
a)
A helium nuclei
b)
 An electron
c)
Gamma Rays
d)
A neutron
49.
This happens naturally due to an unstable nucleus.
a)
fission
b)
fusion
c)
radioactive decay
d)
K-capture
50.
Energy obtained from this process powers nuclear submarines and aircraft carriers
a)
Fission
b)
Fusion
c)
Radioactive decay
d)
Diesel Fuel
51.

This is an example of...

a)

Chain reaction

b)

Fusion reaction

c)

Decomposition reaction

d)

Decay

52.
What is a chain reaction?
a)
When electrons travel are emitted causing electricity
b)
When a nuclear fission reaction occurs, the protons emitted can strike other nuclei in the sample, and cause them to split
c)
When a nuclear fission reaction occurs, the neutrons emitted can strike other nuclei in the sample, and cause them to split
d)
When a nuclear fission reaction occurs, the electrons emitted can strike other nuclei in the sample, and cause them to split
53.
How many protons does gold atom have?
a)
197
b)
79
c)
118
d)
276
54.
What is the mass of a proton?
a)
1
b)
2
c)
-1
d)
0
55.
What is the charge of an electron?
a)
1
b)
0
c)
-1
d)
4
56.
What is an alpha particle?
a)
1 high speed electron
b)
2 protons
c)
2 neutrons
d)
2 protons + 2 neutrons
57.
What is the mass of an alpha particle?
a)
1
b)
2
c)
3
d)
4
58.
If radiation is detected through paper, which 2 types could it be?
a)
Alpha & beta
b)
Beta & gamma
c)
Alpha & gamma
59.
What is the definition of an isotope?
a)
An atom with different electron number to proton number
b)
An atom with different proton number from neutron number
c)
An atom with different number of protons from the periodic table
d)
An atom with a different number of neutrons from the periodic table
60.

Which one of the following discoveries came first?

a)

electrons

b)

neutrons

c)

quarks

d)

atoms

61.

Which scientist discovered the electrons?

a)

Dalton

b)

Thomson

c)

Atristotle

d)

Bohr

62.

Rutherford and his students did experiments that showed

a)

quark

b)

nucleus

c)

proton

d)

electron

63.

Bohr discovered that electrons are located in

a)

the nucleus

b)

inside protons

c)

electron cloud

d)

circular orbits around the nucleus

64.

Which scientist discovered that the nucleus contained neutrons?

a)

bohr

b)

Rutherford

c)

Dalton

d)

Chadwick

65.

What is a particle with one negative charge called?

a)

electron

b)

proton

c)

quark

d)

neutron

66.

The smallest particle of an element that still represents that element.

a)

Nucleus

b)

electron

c)

proton

d)

atom

67.

What is a particle with one positive charge called?

a)

proton

b)

electron

c)

neutron

d)

quark

68.

What is the neutral particle found in the nucleus called?

a)

proton

b)

neutron

c)

electron

d)

quark

69.

What is the center of an atom called?

a)

nucleus

b)

electron cloud

c)

proton center

d)

photon center

70.

Which one of the following parts of the atom is the smallest?

a)

neutron

b)

nucleus

c)

atom

71.

Which one of the following parts of the atom is the smallest?

a)

electron cloud

b)

electron

c)

nucleus

72.

Which one of the following parts of the atom is the smallest?

a)

proton

b)

electron cloud

c)

nucleus

73.

Which one of the following is the correct order of scientific contribution of the atom?

a)

Chadwick, Dalton, Bohr, Rutherford, Democritus,Thomson

b)

Thomson, Democritus,Rutherford, Bohr, Dalton ,Chadwick

c)

Dalton, Chadwick ,Bohr, Rutherford, Democritus,Thomson

d)

Democritus, Dalton, Thomson, Rutherford, Bohr, Chadwick

74.
Something that can convert electrical energy into other forms of energy (ex. light bulb, fan, tv, radio)
a)
resistor (device)
b)
source
c)
conductor
75.
Any material that does not allow electrical energy to pass through (ex. plastic, glass, paper, cardboard)
a)
conductor
b)
device
c)
insulator
76.
Allows electrical current to flow through an electric circuit (ex. copper wire).
a)
insulator
b)
conductor
c)
resistor (device)
77.
An electric circuit with one path for an electric current
a)
series curcuit
b)
parallel circuit
c)
voltage circuit
78.
An electric circuit with multiple paths for an electric current
a)
series circuit
b)
parallel circuit
c)
voltage circuit
79.
Whats units are used to measure electric currents?
a)
volts
b)
Newtons
c)
grams
80.
How much work is done if I use 5 Newtons of force to move an object 2 meters?
Formula: Work= force x distance
                  Joules= Newtons x meters
a)
10 Joules
b)
15 Joules
c)
10 Newtons
81.
How much work is done if I use 6 Newtons of force to move an object 3 meters?
Formula: Work= force x distance
                  Joules= Newtons x meters
a)
15 Newtons
b)
18 Joules
c)
9 Joules
82.
What type of current comes from the outlets in your home?
a)
direct current
b)
alternating current
c)
electric discharge 
d)
static electricity 
83.
Charges continually switch from flowing in one direction to flowing in the reverse direction in...
a)
alternating current 
b)
static electricity 
c)
all types of current 
d)
direct current 
84.
Which of the following might cause a circuit to fail?
a)
connecting a series circuit to a parallel circuit 
b)
plugging too many devices into one outlet 
c)
failing to press the TEST button on a circuit breaker box
d)
all of the above
85.
The force that pushes the electricity through a circuit is called...
a)
resistance
b)
voltage
c)
current
d)
switch
86.
The flow of electricity through a conductor is called...
a)
resistance
b)
voltage
c)
current
d)
source of electric current
87.
This measures the speed of the current in a circuit
a)
voltage
b)
ammeter
c)
switch
d)
resistance
88.
If I add more light bulbs to a series circuit what happens?
a)
The current speeds up and the lights get brighter
b)
The current slows down and the lights dim lower
c)
The current speeds up and the lights dim lower
d)
The current slows down and the lights get brighter
89.

Weight

a)

weight = mass × gravitational field strength

b)

how many kg

c)

weight = g / mass

90.

Force applied to a spring

a)

force = how many kg

b)

force = length of spring x spring constant

c)

force applied to a spring = spring constant × extension

91.

Moment

a)

moment of a force = force × distance

b)

moment = force x distance squared

c)

moment = force / distance

92.

Distance

a)

distance travelled = speed × time

b)

distance = speed / time

c)

distance = time / speed

93.

Acceleration

a)

acceleration = change in speed

b)

acceleration = velocity x time

c)

acceleration = velocity / time

94.

Momentum

a)

momentum = mass × velocity

b)

momentum = velocity / mass

c)

momentum = mass / velocity

95.

Kinetic Energy

a)

KE = mass x speed

b)

KE = speed / mass

c)

KE = 0.5 × mass × speed squared

96.

GPE

a)

GPE = your weight

b)

GPE = mass × g × height

c)

GPE = mass x height

97.

Efficiency

a)

efficiency = input / output

b)

efficiency = energy x time

c)

efficiency = useful output / total input

98.

Energy transferred

a)

energy transferred = power × time

b)

energy transferred = power / time

c)

energy transferred = time / power

99.

Density

a)

density = mass / volume

b)

density = mass x volume

c)

density = volume / mass

100.

PD

a)

potential difference = current × resistance

b)

potential difference = current / resistance

c)

potential difference = resistance / current

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