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Global Warming & 4 Spheres of Earth

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  • Which layer of the Earth is made of solid metal?
    Inner core
  • What energy source does not cause global warming?
    Solar energy
  • What happens to sea levels due to global warming?
    They rise
  • Cutting down trees, also known as ________, increases CO₂ in the atmosphere.
    Deforestation
  • What is the main human activity that causes global warming?
    Burning fossil fuels
  • The greenhouse effect traps ________ in the Earth’s atmosphere.
    Heat
  • What is global warming?
    The increase of Earth's average temperature.
  • How can we reduce global warming?
    Use renewable energy/ plant a tree/ etc
  • What do we call the gases that trap heat in the atmosphere?
    Greenhouse gases
  • What layer of atmosphere do we live in?
    Troposphere
  • Name one gas that causes global warming.
    Carbon dioxide/ methane/ nitrous oxide/ etc
  • What are the 4 spheres of Earth?
    Atmosphere, hydrosphere, lithosphere, biosphere.
  • Which sphere includes all the air around Earth?
    Atmosphere
  • What is the outermost layer of Earth’s atmosphere?
    Exosphere
  • Which sphere includes rocks, soil, and land?
    Lithosphere or Geosphere
  • Oceans, rivers, and lakes are part of which sphere?
    Hydrosphere
  • Name one effect of global warming on the environment.
    Melting ice caps
  • The outer most layer of the Earth is _____________
    Crust