Naomi Wheeler
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GCSE Physics Test sobre Energy, creado por Naomi Wheeler el 02/10/2022.

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Naomi Wheeler
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Energy

Pregunta 1 de 17

1

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The main stores of energy are:
k
g p
ch
e p
n
i
el
m

Explicación

Pregunta 2 de 17

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The Internal Store is the and (chemical) in an object's particles.
Temperature is in an object's particles.

Arrastra y suelta para completar el texto.

    sum of the kinetic
    potential energy
    a measure of the energy

Explicación

Pregunta 3 de 17

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Kinetic Energy = 1/2 x x
Change in Gravitational Potential Energy = mass x x
Elastic Potential Energy = 1/2 x x

Arrastra y suelta para completar el texto.

    mass
    velocity^2
    gravitational field strength
    change in height
    Spring Constant
    extension^2

Explicación

Pregunta 4 de 17

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Conservation of Energy means that energy cannot be created or destroyed, only transferred between different stores.

Selecciona uno de los siguientes:

  • VERDADERO
  • FALSO

Explicación

Pregunta 5 de 17

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Energy can be transferred by:
H
M
W
E

Explicación

Pregunta 6 de 17

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The work done by a force is equal to...

Selecciona una de las siguientes respuestas posibles:

  • the energy transferred to the object

  • current x time x voltage

  • the efficiency of the work

Explicación

Pregunta 7 de 17

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Electrical work is when

Electrical work = x current x

Electrical energy = x potential difference

Arrastra y suelta para completar el texto.

    work done
    a current flows.
    voltage
    time
    charge
    transferred

Explicación

Pregunta 8 de 17

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Power is...

Selecciona una o más de las siguientes respuestas posibles:

  • The rate of energy transferred or the work done

  • Work done/time

  • Wasted energy/useful energy input

Explicación

Pregunta 9 de 17

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When energy is , some energy is . This to the environment.

For example, leads to the transfer of energy into a thermal store. This heat then dissipates.

Explicación

Pregunta 10 de 17

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Efficiency = / x

Arrastra y suelta para completar el texto.

    useful power output
    useful power input
    total power input
    total power output
    100
    10
    200

Explicación

Pregunta 11 de 17

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Unwanted energy transfers can be reduced by:

Thermal
Walls in homes

Explicación

Pregunta 12 de 17

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An energy resource is used to and other useful forms of energy.

Energy resource rotates a
->
This rotates a in a magnetic field (a )
->
This produces an electric current: an energy .

Explicación

Pregunta 13 de 17

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Fossil Fuels are burnt to heat a fluid, producing and turning a turbine.

In volcanic places, magma has lots of energy. The magma heats , which heats water in pipes. This rotates a turbine and is known as energy.

Holding water above the ground is a store of potential energy. Allowing it to fall rotates a turbine. This is known as power.

Waves and tides are stores of energy. They can rotate turbines.

Explicación

Pregunta 14 de 17

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In a nuclear reactor, the energy stored in the of atoms is released as energy. Some of this heats up which then heats up a fluid. This creates steam and rotates a turbine.

Solar Cells absorb the waves from the . Some create an current without a generator, while some use the heat from the Sun to boil water, create and rotate a turbine.

Explicación

Pregunta 15 de 17

1

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The Sun is the original source of energy for:
F fuels
S Power
W Energy
Wind
H

Explicación

Pregunta 16 de 17

1

Selecciona la opción correcta de los menús desplegables para completar el texto.

Electricity use ( increased, decreased ) in the UK through the ( 20th, 19th ) Century as population ( increased, decreased ).

Electricity use has ( decreased, increased ) in the ( 21st, 22nd, 20th ) Century as appliances have become more ( efficient, powerful ).

Explicación

Pregunta 17 de 17

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Selecciona la opción correcta de los menús desplegables para completar el texto.

The UK government planned to draw ( 15, 20, 50 )% of energy from renewable resources by 2020 due to ( public pressure, economic pressure, Bojo ).

The problems with renewable resources are
It costs ( more, less )
It is less ( reliable, fun )
( Politics, Rugby ) can interfere

Explicación