Study

7th Sci Unit 3

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  • What is conservation?
    Taking care of the environment and helping other species to survive
  • Where do CFCs come from?
    old air conditioners, fridges, and aerosols
  • Name five habitats.
    Desert, forest, ocean, polar, mountain
  • What might happen if we catch too many fish from the ocean?
    The animals that eat the fish might not have anything to eat.
  • Name 4 types of renewable energy.
    Wind, solar, hydroelectric, biomass, geothermal
  • What causes acid rain?
    Burning fossil fuels releases gases that mix with rain and produce acid rain.
  • What is one negative effect of farming on a food chain?
    It destroys the natural habitat of the animals there.
  • Name 5 types of pollution.
    Land, air, water, noise, light
  • Name three adaptations of a lion.
    Claws, strong legs, sharp teeth
  • Name three producers.
    Trees, grass, cactus, bushes
  • What happens when a habitat is destroyed?
    Plants and animals no longer have a place to live.
  • How does the ozone layer help us?
    It absorbs ultraviolet light from the Sun.
  • Give an example of a food chain with 4 parts.
    Grass, cricket, spider, bird
  • Name 6 consumers.
    Any 6 animals
  • What caused the ozone hole?
    CFCs (chlorofluorocarbons)
  • What is a fossil fuel and give three examples.
    A natural fuel formed from the remains of dead organisms. Coal, oil, gas
  • How are fossil fuels made?
    Dead organisms get buried under mud, over time layers form and add pressure for millions of years.
  • Name three causes of air pollution.
    Factories, car exhaust, volcanoes, fires
  • Name 5 ways to reduce pollution.
    pick up trash, plant trees, reuse resources, reduce use, recycle
  • How is an eagle adapted to live and hunt in the air?
    Wings for flying, claws and beaks for grabbing