Y11 iGCSE Revision slides with KO
Presentation
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Physics
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Professional Development
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Practice Problem
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Hard
Christine Cameron-Francis
FREE Resource
41 Slides • 28 Questions
1
2
Open Ended
Why is it important to understand how energy is conserved and dissipated in physical systems?
3
4
Multiple Choice
Which of the following best describes elastic potential energy?
Energy stored in chemical bonds and released during a reaction
Energy stored in an object due to its position in a gravitational field
Energy stored in an object when it is stretched or compressed
Energy transferred as heat from one object to another
5
6
Multiple Choice
Which of the following best describes the difference between mass and weight?
Mass is the amount of matter in an object, while weight is the force acting on that mass due to gravity.
Mass is measured in newtons, while weight is measured in kilograms.
Weight is always constant, but mass changes with location.
Weight is a scalar quantity, while mass is a vector quantity.
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8
Multiple Select
Which of the following are examples of energy transfers in electrical appliances?
A mobile phone transferring electrical energy to sound and thermal energy.
A washing machine transferring electrical energy to kinetic and thermal energy.
An electric heater transferring electrical energy to thermal energy.
A solar panel transferring chemical energy to electrical energy.
9
10
Fill in the Blanks
Type answer...
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12
Open Ended
Explain how renewable and non-renewable energy resources differ, and give an example of each.
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14
Multiple Choice
What happens when a material gains electrons during static charging?
It becomes negatively charged.
It becomes positively charged.
It becomes neutral.
It starts conducting electricity.
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16
Multiple Choice
In a parallel circuit, how does the total resistance compare to the resistance of individual components?
It is always less than the smallest resistance of the components.
It is equal to the sum of all resistances.
It is always greater than the largest resistance of the components.
It is the same as the resistance of one component.
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18
Multiple Choice
Which of the following best describes the role of resistance in an electric circuit?
It determines how much current flows for a given potential difference.
It increases the potential difference across the circuit.
It provides energy to the circuit.
It measures the rate of flow of charge.
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20
Fill in the Blanks
Type answer...
21
Multiple Select
Which of the following statements about alternating and direct potential difference are correct?
Alternating p.d. switches between positive and negative.
Direct p.d. flows in only one direction.
Alternating p.d. is provided by batteries.
Direct p.d. is provided by cells.
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23
Open Ended
Explain how the particle model accounts for the differences in density between solids, liquids, and gases.
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25
Multiple Choice
Which scientist's experiment led to the discovery of the nucleus in the atom?
Rutherford and Marsden
Bohr
Chadwick
Thomson
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27
Multiple Choice
Which type of nuclear radiation has the greatest penetrating power?
Alpha
Beta
Gamma
Neutron
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30
Fill in the Blanks
Type answer...
31
Multiple Select
Which of the following statements about nuclear fusion are correct?
It involves joining small atomic nuclei together.
It occurs naturally in stars.
It is used in nuclear power stations on Earth.
It requires extremely high temperatures and pressures.
32
Multiple Choice
Which process involves splitting a large atomic nucleus into smaller nuclei with the release of energy?
Nuclear fusion
Nuclear fission
Chain reaction
Radioactive decay
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34
Multiple Choice
What is the resultant force if two forces acting on an object are equal in magnitude and opposite in direction?
Double the force
Zero
Half the force
The larger force
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36
Open Ended
Explain the difference between distance and displacement, and describe a scenario where the two would have very different values.
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38
Multiple Choice
According to Newton’s Second Law, what happens to the acceleration of an object if the resultant force remains the same but the mass of the object increases?
Acceleration increases
Acceleration decreases
Acceleration stays the same
Acceleration becomes zero
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42
Multiple Choice
Which of the following best describes the law of conservation of momentum in a closed system?
The total momentum before an event is equal to the total momentum after the event.
Momentum is always zero in a closed system.
Momentum increases after every collision.
Momentum is only conserved in open systems.
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44
Open Ended
Explain how the stopping distance of a vehicle is affected by both thinking distance and braking distance. Use examples from the diagram to support your answer.
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46
Multiple Select
Which of the following are examples of transverse waves?
Sound waves in air
Light waves
Water ripples
Seismic P-waves
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Fill in the Blanks
Type answer...
49
50
Open Ended
Describe two practical applications of electromagnetic waves in everyday life, based on the information provided.
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52
Multiple Choice
Which of the following statements about electromagnetic waves is correct?
They all travel at different speeds in a vacuum.
They can be either longitudinal or transverse waves.
They form a continuous spectrum of wavelengths.
Visible light has the longest wavelength among EM waves.
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Open Ended
Reflecting on what you have learned about potential energy and force-extension relationships, how might understanding these concepts help in designing safer or more efficient mechanical systems?
69
Multiple Choice
Which of the following best describes the concept of efficiency in energy transfers?
The total amount of energy transferred in a system
The rate at which energy is transferred
The proportion of energy transferred usefully in a system
The amount of energy lost as heat only
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