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Study
7th Sci Unit 3
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What is conservation?
Taking care of the environment and helping other species to survive
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Where do CFCs come from?
old air conditioners, fridges, and aerosols
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Name five habitats.
Desert, forest, ocean, polar, mountain
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What might happen if we catch too many fish from the ocean?
The animals that eat the fish might not have anything to eat.
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Name 4 types of renewable energy.
Wind, solar, hydroelectric, biomass, geothermal
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What causes acid rain?
Burning fossil fuels releases gases that mix with rain and produce acid rain.
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What is one negative effect of farming on a food chain?
It destroys the natural habitat of the animals there.
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Name 5 types of pollution.
Land, air, water, noise, light
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Name three adaptations of a lion.
Claws, strong legs, sharp teeth
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Name three producers.
Trees, grass, cactus, bushes
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What happens when a habitat is destroyed?
Plants and animals no longer have a place to live.
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How does the ozone layer help us?
It absorbs ultraviolet light from the Sun.
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Give an example of a food chain with 4 parts.
Grass, cricket, spider, bird
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Name 6 consumers.
Any 6 animals
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What caused the ozone hole?
CFCs (chlorofluorocarbons)
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What is a fossil fuel and give three examples.
A natural fuel formed from the remains of dead organisms. Coal, oil, gas
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How are fossil fuels made?
Dead organisms get buried under mud, over time layers form and add pressure for millions of years.
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Name three causes of air pollution.
Factories, car exhaust, volcanoes, fires
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Name 5 ways to reduce pollution.
pick up trash, plant trees, reuse resources, reduce use, recycle
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How is an eagle adapted to live and hunt in the air?
Wings for flying, claws and beaks for grabbing
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