Study

energy

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  • _______ energy. Its main source is the sun, light bulbs, or fire.
    luminous
  • ______ energy is when heat is transferred from one object to another.
    thermal
  • Humans have invented ______ to help them do tasks
    machines
  • ________ energy can be observed when an object changes position
    mechanical
  • We hear energy as _____
    sound
  • We feel energy as ______
    heat
  • We can observe energy as _____ and _______.
    light and movement
  • What kind of energy does a knife or wheel use?
    mechanical energy
  • What kind of energy does a lightbulb use?
    light energy
  • Luminous energy mainly comes from the _____.
    sun
  • _______ energy can be stored in batteries. It is also found in storm clouds lightning.
    Electrical
  • What kind of energy does an oven use?
    thermal energy
  • ______ energy is the energy stored in matter. Can be released as fuel or food.
    chemical
  • light energy and thermal energy are kinds of ______ ________
    electrical energy
  • Chemical energy is transformed into _____ when substances like petrol, gas or wood are burnt.
    heat
  • Energy is everything that produces ____ or _______ objects
    change, transforms