Importance of water

• What are 4 reasons for the importance of water on Earth?

  • Oceans moderate global temperature by absorbing, storing and slowly releasing heat.
  • Water allows the existence of plants through photosynthesis, respiration and transpiration. (Provides food and economic resource)
  • Water is vital to the functioning of the human body - plays a role in chemical reactions
  • Clean water is vital in sustaining people's health and economic development
• What type of system is the global water cycle?

  Closed (Only energy crosses boundaries not matter)
• How is water possible on Earth?

  Earth is located in the Goldilocks zone - just the right distance from the sun to allow the presence of liquid water
• What are the main water stores on earth?

  • Atmosphere
  • Land
  • Oceans
• Where are the 5 areas on Earth that water can be found?

  • Lithosphere
  • Cryosphere
  • Biosphere
  • Hydrosphere
  • Atmosphere