Vocabulary
What does “Resource” mean?
A: Things we use from nature (supply, material).
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Which of these is a non-sustainable resource: Coal, Wind, or Sunlight?
A: Coal.
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What happens when we burn coal or oil?
A: It makes dirty smoke that pollutes the air.
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What happens when extra gases trap heat in the Earth’s atmosphere?
A: The Earth becomes hotter, causing climate change.
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What do we get when we burn coal or oil?
A: Electricity and fuel for cars and planes.
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What can you do to reduce electricity use at home?
A: Turn off lights and fans when not needed.
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What does “Recycle” mean?
A: Use again after treatment or processing.
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Where was coal first used over 3,000 years ago?
A: In China, to heat homes.
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What does “Non-sustainable” mean?
A: Cannot last forever; limited or exhaustible.
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What does “Renewable” mean?
A: Can grow back or be replaced.
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What gas is produced when gasoline is burned?
A: Carbon dioxide (CO₂).
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Q8: Name two effects of climate change mentioned in the lesson.
A: Melting icebergs and rising sea levels.
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Why will non-sustainable resources not come back soon once used?
A: Because nature takes millions of years to make them again.
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How can you reuse instead of wasting materials?
A: Carry a reusable water bottle or reuse containers.
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Give one example of a renewable energy source.
A: Solar, wind, or water (hydropower).
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Which country gets almost 100% of its electricity from renewable sources?
A: Iceland.
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