Energy Transfers Yr 8 OALH

Energy Transfers - Do now

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Give two examples of a specialised cell

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1.Define a ‘tissue’.

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Name one condition stem cells can be used to cure.

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Define independent variable.

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Calculate the mean from the following - 2.25 2.76 3.40 2.98 3.00

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Challenge: Explain how a plant cell is different to an animal cell.

Recall quiz

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Energy cannot be _ or ___.

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The units for measuring energy are…

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The units for measuring energy are…

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Give an example of an object with lots of stored thermal energy.

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Give an example of an object with lots of stored gravitational potential energy.

'You do' task - Describe the energy transfers taking place in each of these examples:

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A car speeding up (remember, fuel contains an energy store.

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A car slowing down (hint, the breaks get hotter).

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Bringing water to the boil in a kettle.

Watch the video below and then apply your understanding of energy transfers to the Independant writing task

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In full sentences, state the law of conservation of energy. Identify the energy stores for a river flowing over a waterfall and state the unit energy is measured in.

Plenary

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Kinetic energy is the energy stored in hot objects

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Batteries store chemical energy

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As someone climbs a ladder, their gravitational energy store decreases

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Energy can be created but not destroyed

1

Give two examples of a specialised cell

1.Define a ‘tissue’.

Name one condition stem cells can be used to cure.

Define independent variable.

Calculate the mean from the following - 2.25 2.76 3.40 2.98 3.00

Challenge: Explain how a plant cell is different to an animal cell.

Energy cannot be _________ or ___________.

The units for measuring energy are…

The units for measuring energy are…

Give an example of an object with lots of stored thermal energy.

Give an example of an object with lots of stored gravitational potential energy.

A car speeding up (remember, fuel contains an energy store.

A car slowing down (hint, the breaks get hotter).

Bringing water to the boil in a kettle.

In full sentences, state the law of conservation of energy. Identify the energy stores for a river flowing over a waterfall and state the unit energy is measured in.

Kinetic energy is the energy stored in hot objects

Batteries store chemical energy

As someone climbs a ladder, their gravitational energy store decreases

Energy can be created but not destroyed

The 4 ways that energy can be transferred are: mechanically, electrically, by heating and by radiation

Energy cannot be _ or ___.