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WorksheetsCombined Science Trilogy Physics AQA Paper 1 Quiz
Total questions: 98
Worksheet time: 49mins
What is the equation linking kinetic energy, mass, and velocity?
Eₖ = 0.5mv²
Eₖ = mv²
Eₖ = 0.5m²v
Eₖ = mv
What are the units of energy?
Joules
Watts
Newtons
Kilograms
What is the equation linking gravitational field strength, gravitational potential energy, and height?
Eₚ = mgh
Eₚ = mg/h
Eₚ = mh/g
Eₚ = gh/m
What is the definition of power?
Power is the rate of transfer of energy or the rate of doing work
Power is the amount of energy stored
Power is the force applied over a distance
Power is the energy lost in a system
What is the equation for calculating efficiency from energy?
Efficiency = useful energy output/total energy input
Efficiency = total energy input/useful energy output
Efficiency = useful energy output × total energy input
Efficiency = total energy input - useful energy output
What is the type of energy transferred when a force moves through a distance?
Mechanical transfer
Electrical transfer
Radiation transfer
Chemical transfer
What is radiation transfer?
The energy transferred by electromagnetic radiation.
The energy transferred by sound waves.
The energy transferred by mechanical movement.
The energy transferred by chemical reactions.
Which of the following is an energy transfer pathway?
Mechanical
Chemical
Nuclear
Magnetic
What type of energy is stored in objects that move?
Kinetic
Chemical
Gravitational potential
Elastic potential
What is a gravitational potential store?
Energy stored in objects raised up against the force of gravity.
Energy stored in the movement of particles.
Energy stored in an object which has been stretched or compressed.
Energy stored in chemicals waiting to react.
What is an elastic potential store?
Energy stored in an object which has been stretched or compressed.
Energy stored in objects raised up against the force of gravity.
Energy stored in the movement of particles.
Energy stored in chemicals waiting to react.
What is the name of the process in which the nuclei of atoms fuse together?
Fission
Fusion
Combustion
Evaporation
What is a nuclear energy store?
Energy stored in magnets
Energy stored in electric charges
Energy stored in the nuclei of atoms that can fuse or split
Energy stored in chemical bonds
What are some disadvantages of fossil fuels?
No carbon dioxide produced
Expensive to build and decommission
Can produce carbon dioxide and sulfur dioxide, leading to global warming and acid rain
Reliable and cheap
What is the magnetic energy store?
Energy stored in chemical bonds
Energy stored in magnets that are attracting or repelling
Energy stored in the nuclei of atoms
Energy stored in electric charges
What are some advantages of nuclear fuel?
Produces carbon dioxide
Reliable and no carbon dioxide produced
Cheap and abundant
Causes acid rain
What are some advantages of biofuels?
Carbon neutral, reliable
Expensive to construct
Blocks rivers
Produces carbon dioxide
What is a disadvantage of wind power?
Produces carbon dioxide
Unreliable, expensive to construct
Doesn't damage ecosystems
Reliable
What is an advantage of hydroelectricity?
No carbon dioxide produced
May damage tidal ecosystem
Unreliable during droughts
Expensive to construct
What is a disadvantage of geothermal energy?
Doesn't damage ecosystems
Fluids may contain greenhouse gases
Reliable
No carbon dioxide produced
What is an advantage of tidal energy?
No carbon dioxide produced
Unreliable - tides vary
May damage tidal ecosystem
Expensive to construct
What is one advantage of solar power?
Produces carbon dioxide
Unreliable at night
No carbon dioxide produced
Expensive to construct
What is one disadvantage of solar power?
Reliable at night
No carbon dioxide produced
Unreliable - no electricity produced at night
Cheap to construct
What term is used to describe energy becoming spread out or transferred to a "wasted" store?
Insulation
Lubrication
Dissipation
Conduction
What term is used to describe a method for reducing unwanted energy transfers by reducing friction?
Insulation
Lubrication
Dissipation
Conduction
What is a thermal insulator?
A conductive material
A non-conductive material which reduces thermal energy transfers
A material that increases thermal energy transfers
A material that conducts electricity
What is the name for a method of reducing energy transfers by the use of non-conductive materials?
Conduction
Lubrication
Insulation
Dissipation
What is the law of conservation of energy?
Energy can be created and destroyed
Energy can be transferred from one store to another
Energy is only created, not transferred
Energy is only destroyed, not transferred
Define specific heat capacity.
The energy needed to raise the temperature 1 kg of a material by 1°C
The energy needed to raise the temperature 1 kg of a material by 10°C
The energy needed to raise the temperature 10 kg of a material by 1°C
The energy needed to raise the temperature 1 g of a material by 1°C
State the rule for current in a series circuit.
The current is the same at every point in the circuit and in every component.
The current varies at different points in the circuit.
The current is zero at the start of the circuit.
The current doubles at each component.
State the rule for potential difference in a series circuit.
The total potential difference of the power supply is shared between components.
The potential difference is the same across all components.
The potential difference is zero across each component.
The potential difference doubles across each component.
State the rule for resistance in a series circuit.
The more resistors, the greater the resistance. Rₜ=R₁+R₂
The resistance decreases with more resistors.
The resistance remains constant regardless of the number of resistors.
The resistance is zero with more resistors.
State the rule for current in a parallel circuit.
The total current through the whole circuit is the sum of the currents through the separate components.
The current is the same through each component.
The current is zero through each component.
The current decreases through each component.
State the rule for potential difference in a parallel circuit.
The potential difference across each branch in the circuit is the same.
The potential difference varies across each branch.
The potential difference is zero across each branch.
The potential difference doubles across each branch.
State the rule for resistance in a parallel circuit.
Adding more resistors in parallel decreases resistance.
Adding more resistors in parallel increases resistance.
The resistance remains constant with more resistors.
The resistance is zero with more resistors.
What colour is the live wire in a three core cable?
Brown
Blue
Green and yellow
Red
What colour is the neutral wire in a three core cable?
Blue
Brown
Green and yellow
Black
What colour is the earth wire in a three core cable?
Green and yellow
Blue
Brown
White
What is the role of the brown wire in a plug?
Neutral
Live
Earth
Ground
What is the potential difference between the live wire and others in a plug?
0V
110V
230V
400V
Which wire is a safety feature of appliances?
Live
Neutral
Earth
Positive
What is the potential difference between the neutral wires and others in the plug?
0V
110V
230V
400V
What is electric current?
The flow of electric charge
The flow of water
The flow of air
The flow of light
What is resistance in an electric circuit?
The flow of electric charge
Caused by anything which opposes the flow of electric charge
The speed of electric charge
The direction of electric charge
What is a series circuit?
A circuit with only one route for charge to flow
A circuit with multiple routes for charge to flow
A circuit with no route for charge to flow
A circuit with alternating routes for charge to flow
State the equation which links current, potential difference, and resistance.
V=IR
P=IV
Q=It
E=mc2
What is the equation that links current, power, and resistance?
P=IV
P=I²R
P=V/R
P=IR²
Which equation links energy transferred, power, and time?
E=QV
E=Pt
E=IR
E=Vt
What is the unit of charge flow?
Amps (A)
Volts (V)
Coulomb (C)
Ohms (Ω)
What is the unit for potential difference?
Amps (A)
Volts (V)
Watts (W)
Ohms (Ω)
Describe the I-V characteristic for a fixed resistor.
Resistance decreases as p.d. increases
Current and potential difference are directly proportional, resistance is constant
Resistance is constant, current decreases with p.d.
Current is constant, resistance increases with p.d.
What happens to resistance in a filament lamp as potential difference increases?
Resistance decreases
Resistance remains constant
Resistance increases
Resistance fluctuates
How does the I-V characteristic of a diode behave?
Current flows in both directions with low resistance
Current only flows in one direction with high resistance in the reverse
Current is constant regardless of direction
Current flows in one direction with low resistance in both directions
What is the term for current that regularly changes direction?
Direct current
Alternating current
Static current
Pulsating current
What is an example of alternating current?
Batteries
Mains electricity
Solar panels
Direct current
What is the potential difference of mains electricity in the UK?
110V
230V
50V
400V
What does a step up transformer do?
Reduces p.d. to 230V
Increases p.d.
Converts AC to DC
Reduces current
What is the frequency of the alternating current in UK mains electricity?
60Hz
100Hz
50Hz
25Hz
Name the change of state when a liquid becomes a gas.
Freezing
Melting
Evaporation
Condensation
State the equation which links density, mass, and volume.
ρ=m/v
ρ=v/m
ρ=m*v
ρ=v*m
Name the change of state when a solid becomes a gas without passing through the liquid form.
Freezing
Sublimation
Condensation
Melting
Changes of state are caused by the amount of what a substance has?
Mass
Volume
Energy
Density
A change which creates new products and cannot be reversed is known as a __________ change.
temporary
reversible
physical
permanent
chemical
The energy stored inside a system by the particles which make it up is known as __________ energy.
kinetic
potential
internal
thermal
Energy stored within moving objects is __________ energy.
potential
kinetic
thermal
chemical
The energy needed to raise the temperature of 1 kg of a material by 1°C is the __________.
latent heat
specific heat capacity
thermal energy
kinetic energy
The average kinetic energy of particles is known as the __________.
pressure
temperature
volume
density
The amount of energy required to change the state of one kilogram of a substance with no change in temperature is the __________.
specific heat capacity
latent heat of fusion
specific latent heat
thermal energy
Increasing temperature __________ pressure in a gas if volume is constant.
decreases
increases
stabilizes
eliminates
The force exerted by gas on a surface as the particles collide with it is known as __________.
gas pressure
volume
density
temperature
State the units of density.
kg/m
kg/m²
kg/m³
kg/L
State the units of volume.
m
m²
m³
L
Why doesn't temperature increase during melting?
Energy is being used to weaken forces between particles
Particles gain more kinetic energy
Particles are arranged regularly
Energy is being used to increase mass
What is the arrangement of particles in a solid?
Randomly arranged
Arranged regularly
Arranged in a gas
Arranged in a liquid
Define an atom.
The smallest part of an element that can exist
A large molecule
A type of chemical bond
A mixture of elements
What is the overall charge on an atom?
Positive
Negative
Zero/neutral
Variable
Define isotope.
An atom of the same element with different numbers of neutrons
A molecule with different elements
A type of chemical reaction
A charged particle
What are the units of activity in radioactive decay?
Joules (J)
Watts (W)
Becquerels (Bq)
Meters (m)
What is the definition of count rate?
The time taken for radioactive nuclei to halve
The number of decays recorded each second by a Geiger-Muller tube
The unwanted presence of materials containing radioactive atoms
The total number of protons and neutrons in an atom
What does half-life refer to in radioactive materials?
The number of protons in an atom
The time taken for the number of radioactive nuclei in a sample to halve
The process of removing electrons from atoms
The checking of scientific results by other experts
What is contamination in the context of radioactivity?
The exposure of an object to radiation
The unwanted presence of materials containing radioactive atoms
The number of protons and neutrons in an atom
The number of decays recorded each second
What happens when an object is irradiated?
It becomes radioactive itself
It is exposed to radiation
It undergoes ionisation
It changes its mass number
What is ionisation?
The process of removing electrons from atoms to form ions
The checking of scientific results by other experts
The time taken for radioactive nuclei to halve
The total number of protons and neutrons in an atom
What can ionisation in DNA cause?
Increase in atomic number
Mutations and cancer
Decrease in mass number
Exposure to radiation
What is the purpose of peer review in scientific research?
To expose objects to radiation
To check scientific results by other scientific experts
To measure the number of decays per second
To halve the number of radioactive nuclei
What does mass number represent in an atom?
The number of protons in an atom
The total number of protons and neutrons in an atom
The number of electrons in a neutral atom
The energy levels of electrons
What is the atomic number of an atom?
The number of protons in an atom
The total number of protons and neutrons
The number of decays recorded each second
The time taken for radioactive nuclei to halve
Where are electrons located in an atom?
In the nucleus
In energy levels
In the mass number
In the atomic number
Who came up with the Plum Pudding model of the atom?
Ernest Rutherford
J J Thompson
Niels Bohr
John Dalton
What did Rutherford's experiment reveal about the structure of the atom?
Atoms are indivisible
Atoms have a central area of positive charge with electrons surrounding it
Atoms are made of a ball of positive charge with embedded electrons
Atoms are composed of only neutrons
What is the charge of a proton?
-1
0
+1
+2
Which particles are located in the atom's nucleus?
Electrons and protons
Neutrons and electrons
Protons and neutrons
Electrons only
What is an alpha particle composed of?
Two protons and two neutrons
Two electrons and two protons
Two neutrons and two electrons
Two protons and two electrons
What is the range of alpha radiation in air?
Short - 5 cm in air
Medium - about 1 m
Unlimited in air
About 5 mm aluminium
What will absorb (stop) beta radiation?
Paper/skin
About 5 mm aluminium
Several centimetres of lead
Unlimited in air
What is the ionising power of gamma radiation?
Very high
Medium
Low
Unlimited
How does alpha decay alter the atomic number of the parent nucleus?
Increases by 1
Decreases by 2
Stays the same
Decreases by 4
How does beta decay alter the mass number of the parent nucleus?
Decreases by 4
Increases by 1
Stays the same
Decreases by 2
