3.1.1

Energy Stores & Pathways

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Energy Stores and Pathways

Energy can be stored or transferred via pathways. Energy is measured in Joules (J).

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Energy stores

  • Energy is measured in Joules (J).
  • Energy is stored in these eight different ways:
    • Kinetic energy (moving objects).
    • Elastic energy (stretched or squeezed objects).
    • Thermal internal energy (in warm objects).
    • Chemical energy (stored energy from a fuel).
    • Nuclear energy (radioactive objects).
    • Magnetic energy (magnetic objects).
    • Electrostatic energy (between two charged objects).
    • Gravitational potential energy (objects that have been lifted up).
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Energy pathways

  • Energy can be transferred or carried by these four pathways:
    • Mechanically (transferring energy over a distance using a force).
    • Heating (if there is a temperature difference, then heat will move from a hotter place to a colder place).
    • Electrical (carried by moving electrons in an electric current).
    • Radiation (such as lightwaves, radio waves and microwaves can be energy pathways).

Jump to other topics

1Biology

1.1Cells, Tissues & Organs

1.2Reproduction & Variation

1.3Ecological Relationships & Classification

1.4Digestion & Nutrition

1.5Plants & Photosynthesis

1.6Biological Systems & Processes

2Chemistry

2.1Particles

2.2Chemical Reactions

2.3Atoms, Elements, Compounds

2.4The Periodic Table

2.5Materials & the Earth

2.6Reactivity

2.7Energetics

2.8Properties of Materials

3Physics

3.1Energy

3.2Forces & Motion

3.3Waves

3.4Electricity & Magnetism

3.5Matter

3.6Space Physics

4Thinking Scientifically

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