1 / 11

Minds ON

Minds ON. What runs and never gets tired? What runs and has no feet, roars but has no mouth?. Resources: Water. If the water in this 20 L bucket represents the water on Earth, how much do you think is in a form that is available to humans?. Review. 97.5% of Earth’s water is salt water

kendall-tran
Download Presentation

Minds ON

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Minds ON • What runs and never gets tired? • What runs and has no feet, roars but has no mouth?

  2. Resources: Water

  3. If the water in this 20 L bucket represents the water on Earth, how much do you think is in a form that is available to humans?

  4. Review • 97.5% of Earth’s water is salt water • 2.5% of Earth’s water is fresh water • 98.7% of fresh water is frozen/underground • 0.3% of fresh water is surface water • Less than 1% of Earth’s water is usable for humans.

  5. Watershed An area of land into which all of the rivers, streams flow into a larger body of water.

  6. A watershed can be affected by: - opographyof the land (shape, slope) • Geology (type of rock) • Climate (drought vs. rainy season) • Vegetation (density) • Agricultural, industrial, urban development

  7. How much fresh water is in the Great Lakes?

  8. How much fresh water is in the Great Lakes? 21% of the world’s surface fresh water is in the Great Lakes

  9. How did Canada get all this water? How does water shape the land?

  10. Local Great Lakes Issues • Great lakes water levels dropping due to climate change • Pressure to send water from Great Lakes to southern USA • Pollution from industries surrounding lakes

More Related