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Matter and Energy

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    What do you know about matter and energy?
  •   Study   Slideshow
  • Name a problem that comes from using non-renewable energy sources.
    Pollution or contamination
  •  15
  • __________________ energy sources are unlimited.
    Renewable
  •  10
  • Name four sources of renewable energy.
    Solar energy, wind energy, hydroelectric energy, bioenergy
  •  15
  • What is the disadvantage of using solar energy?
    They are only practical in sunny climates.
  •  25
  • This is a ______________________.
    wind turbine
  •  10
  • This is a ________________.
    dam
  •  10
  • ______________ is organic material, such as wood and food waste. We can burn it to make heat or electricity. .
    Biomass
  •  25
  • What do we use to burn biomass?
    Stoves
  •  15
  • Name three types of fossil fuels.
    Coal, oil and natural gas.
  •  10
  • The solar energy comes from _______________.
    The Sun
  •  5
  • We use ______________ to change sunlight into electricity.
    solar panels
  •  10
  • Name the three states of matter.
    Solid, liquid and gas.
  •  10
  • When you heat ice it changes into _____________.
    a liquid or water
  •  5
  • When you cool water vapour, it changes into a liquid. Water ____________
    condenses
  •  20
  • When you heat liquid water, it changes into ______________. Water ________________.
    gas / evaporates
  •  25
  • ___________ expand to occupy as much space as possible.
    Gases
  •  15