WATER SYSTEMS powerpoint presentation in earth science
- 2. Earth's surface is covered by 71% WATER
- 3. 97% 2% 1% Salt Water Fresh Water in glaciers and ice caps Fresh Water
- 4. THE WATER CYCLE The water cycle is the movement of water on Earth and in the atmosphere between different states.
- 5. ICE WATER VAPOR Solid Liquid Gas STATES OF WATER
- 6. 1. THE FOUR MAJOR STEPS 2. 3. 4. Condensation Precipitation Collection Evaporation
- 7. CONDENSATION PRECIPITATION Condensation occurs when water changes from a gas back into a liquid. The liquid collects in the clouds. Precipitation occurs when water falls back to earth. This can happen in the form of rain, hail, sleet and snow.
- 8. CONDE NSATIO N When the warm water vapor rises into the sky, it cools down and turns back into tiny water droplets. These water droplets stick together and form clouds.
- 9. PRECIPIT ATION When the clouds become too heavy with water droplets, they fall back to the ground as rain, snow, sleet, or hail.
- 10. PRECIPIT ATION Raindrops make the grass and flowers grow, and snowflakes create a beautiful winter wonderland.
- 11. COLLECTION EVAPORATION Collection occurs when the precipitation collects in oceans, lakes, rivers and streams. it often soaks into the ground and is stored as ground water. Evaporation occurs when water is heated by the sun, changing it from a liquid to a gas that is known as water vapor.
- 12. COLLECT ION When rain falls to the ground, it collects in lakes, rivers, and oceans. Some of the water soaks into the ground and becomes groundwater.
- 13. EVAPOR ATION When the sun shines on water, it makes the water warm and turn into vapor or steam. The water goes up into the sky as an invisible gas.
- 14. RUN- OFF When there is too much water on the ground, it flows downhill and creates streams and rivers. The water eventually returns to the oceans and starts the cycle again.
- 16. WHY DOES IT MATTER? The water cycle is important because it moves nutrients around and provides plants, animals and humans with water.
- 17. THE IMPACT OF HUMANS ON OUR EARTH QUIZ
- 18. B) Rising sea levels C) Decreased air pollution Which of the following is NOT a consequence of climate change? A) Melting ice caps
- 19. B) Rising sea levels C) Decreased air pollution Which of the following is NOT a consequence of climate change? A) Melting ice caps
- 20. B) By absorbing carbon dioxide through photosynthesis. C) By accelerating soil erosion. How do trees contribute to mitigating climate change? A) By releasing greenhouse gases into the atmosphere.
- 21. B) By absorbing carbon dioxide through photosynthesis. C) By accelerating soil erosion. How do trees contribute to mitigating climate change? A) By releasing greenhouse gases into the atmosphere.
- 22. B) Recycling facilities C) National parks What is a major source of water pollution? A) Industrial waste
- 23. B) Recycling facilities C) National parks What is a major source of water pollution? A) Industrial waste
- 24. B) Overexploitation of species C) Implementing sustainable land management practices Which human activity contributes to the loss of biodiversity? A) Conserving natural habitats
- 25. B) Overexploitation of species C) Implementing sustainable land management practices Which human activity contributes to the loss of biodiversity? A) Conserving natural habitats
- 26. B) Reduction in greenhouse gas emissions C) Resource depletion What is a consequence of overconsumption of natural resources? A) Enhanced biodiversity
- 27. B) Reduction in greenhouse gas emissions C) Resource depletion What is a consequence of overconsumption of natural resources? A) Enhanced biodiversity
- 28. B) Implementing sustainable land management practices C) Overexploitation of species Which human activity contributes to the loss of biodiversity? A) Conserving natural habitats
- 29. B) Implementing sustainable land management practices C) Overexploitation of species Which human activity contributes to the loss of biodiversity? A) Conserving natural habitats
- 30. B) Increasing urbanization C) Clearing forests for agricultural expansion What is one solution to mitigate human impact on Earth? A) Reducing waste and promoting recycling
- 31. B) Increasing urbanization C) Clearing forests for agricultural expansion What is one solution to mitigate human impact on Earth? A) Reducing waste and promoting recycling
- 32. B) It helps people understand the importance of preserving the planet. C) It contributes to increased pollution. Why is raising awareness important in addressing human impact on Earth? A) It has no impact on environmental behavior.
- 33. B) It helps people understand the importance of preserving the planet. C) It contributes to increased pollution. Why is raising awareness important in addressing human impact on Earth? A) It has no impact on environmental behavior.