Year 8 Energy

Energy is:

• The ability to do work

• The amount of power

• Movement

• Causing things to happen

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Kinetic energy is

• Stored energy

• Force acting on objects

• Associated with movement

• Measured in speed

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Potential energy is:

• A type of kinetic energy

• A fuel

• Associated with movement

• Stored energy

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What type of energy is in this picture?

• Kinetic energy

• Rubber energy

• Elastic energy

• Stored energy

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When glow sticks snap, they produce a glow. What energy transformation takes place?

• Thermal to light

• Light to radiant

• Potential to heat

• Chemical to light

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Energy is neither created or destroyed, it is simply transferred between objects or transformed into

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The following scenario relates to a rollercoaster:

When at the top of a hill, a cart has _________ energy, as it travels down the track, it has _______ energy.

• Kinetic, potential

• potential, generational

• potential, kinetic

• kinetic, exhilirating

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What type of energy transformation would occur when a piece of wood is burnt?

• Electrical energy is released as radiant energy

• Mechanical energy is stored as chemical energy

• Stored chemical energy is released as thermal energy

• No transformation occurs

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What energy transformation would occur in a toaster?

• Electrical to thermal

• Thermal to mechanical

• Radiant to electrical

• Solar to thermal

What energy transformation would occur in a toaster?

• Electrical to thermal

• Thermal to mechanical

• Radiant to electrical

• Solar to thermal