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Secondary II • 2yr.


I can't tell the energy source from the energy form. Can you explain to me how it works?

Thank you for helping me!


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Explanations (1)

  • Explanation from Alloprof

    Explanation from Alloprof

    This Explanation was submitted by a member of the Alloprof team.

    Team Alloprof • 2yr. edited September 2021

    Hello QuietDragon2728,

    thank you for your question! :)

    First, the form of energy refers to the manifestation of energy at a given location. It is usually characterized by the presence of movement, whether it be particles that move, such as light, or a chemical bond that breaks.

    Regarding the source of energy, it is the natural or man-made phenomenon that produces energy. For example, it could be wind or a wave causing movement.

    There are four main forms of energy:

    • Thermal energy

    This form of energy refers to the disorderly movement of particles contained in a substance. This form of energy manifests itself as heat, so it is associated with sources like combustion and the hot air used for hot air balloons.

    • Chemical energy

    This form refers to the energy stored in the chemical bonds that unite atoms. This energy is released when the bonds between atoms are broken. It manifests itself during combustion and during photosynthesis when light energy is transformed into chemical energy in the bonds of glucose.

    • Radiant energy

    This form refers to the energy carried by electromagnetic waves, more particularly that of light. It includes the waves transmitted by the microwave to heat food and the X-rays used during x-rays.

    • Mechanical energy

    This form of energy is related to the movement of a body in space. We are talking here about kinetic energy, associated with movement, and potential energy, associated with its position. Examples would be the movement of wind or tides.

    Let us know if we can help you with anything else!:)


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