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Our World Unit 8 Review

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  • A house ___________________________ (can / build) to conserve energy.
    can be built
  • What are some ways that we can be energy-efficient?
    (answers will vary)
  • What are some examples of renewable energy?
    Solar, wind, hydro-electric, geothermal energy
  • Clothes ___________________________ (can / make) from recycled water bottles.
    can be made
  • What are examples of natural materials?
    Wool, cotton, wood, etc.
  • We save energy. We reuse plastic. (combine the two sentences using when)
    We save energy when we reuse plastic./ When we reuse plastic, we save energy.
  • New ways to be energy-efficient ___________________________ (may / find).
    may be found
  • I used a plastic bottle as a planter, so I _________________ it.
    reused
  • We recycle trash. We save energy. (combine the two sentences using when)
    We save energy when we recycle trash./ When we recycle trash, we save energy.
  • Don't _________________ that cardboard box. I'll recycle it.
    throw away
  • What is this word?
    tools
  • Energy ___________________________ (may / conserve) by recycling.
    may be conserved
  • What is this word?
    Cardboard
  • What is this word?
    chemicals
  • What is this word?
    metal
  • What is this word?
    glass
  • What are some ways that we can conserve energy?
    (answers will vary)
  • We must remember to turn off all the lights. We leave the house. (combine the two sentences using when)
    We must remember to turn off all the lights when we leave the house./ When we leave the house, we must remember to turn off all the lights.
  • What is this word?
    Landfill
  • We are tired. We go to sleep. (combine the two sentences using when)
    When we are tired, we go to sleep. We go to sleep when we are tired.
  • Future cars ___________________________ (must / design) to conserve energy.
    must be designed
  • Renewable materials ___________________________ (must / use) more often.
    must be used
  • Any object ___________________________ (can / reuse) to make art.
    can be reused