Planet Earth:

1. Planet Earth:

2. Planet Earth: The Big Picture: “4 spheres”

3. The Earth’s Spheres: • Atmosphere:

4. The Earth’s Spheres: • Atmosphere: A mass of gas surrounding a planet or other celestial body and held in place by gravity.

5. The Earth’s Spheres: • Atmosphere: A mass of gas surrounding a planet or other celestial body and held in place by gravity. • Mostly Nitrogen (N) and Oxygen (O)

6. The Earth’s Spheres: • Atmosphere: A mass of gas surrounding a planet or other celestial body and held in place by gravity. • Mostly Nitrogen (N) and Oxygen (O) • Hydrosphere:

7. The Earth’s Spheres: • Atmosphere: A mass of gas surrounding a planet or other celestial body and held in place by gravity. • Mostly Nitrogen (N) and Oxygen (O) • Hydrosphere: All water located on the Earth, in the Earth, and in the Earth’s atmosphere.

8. The Earth’s Spheres: • Atmosphere: A mass of gas surrounding a planet or other celestial body and held in place by gravity. • Mostly Nitrogen (N) and Oxygen (O) • Hydrosphere: All water located on the Earth, in the Earth, and in the Earth’s atmosphere. • The water cycle.

9. The Earth’s Spheres: • Lithosphere:

10. The Earth’s Spheres: • Lithosphere: The land on Earth. The upper layer of solid Earth.

11. The Earth’s Spheres: • Lithosphere: The land on Earth. The upper layer of solid Earth. • Includes ocean bedrock and lake and river beds.

12. The Earth’s Spheres: • Lithosphere: The land on Earth. The upper layer of solid Earth. • Includes ocean bedrock and lake and river beds. • Biosphere:

13. The Earth’s Spheres: • Lithosphere: The land on Earth. The upper layer of solid Earth. • Includes ocean bedrock and lake and river beds. • Biosphere: All forms of life on our planet.

14. Biosphere: • What makes up the biosphere?

15. Biosphere: • What makes up the biosphere? • Bacteria

16. Biosphere: • What makes up the biosphere? • Bacteria • Protists

17. Biosphere: • What makes up the biosphere? • Bacteria • Protists • Fungi

18. Biosphere: • What makes up the biosphere? • Bacteria • Protists • Fungi • Plants

19. Biosphere: • What makes up the biosphere? • Bacteria • Protists • Fungi • Plants • Animals

20. Interconnectedness: Carbon Dioxide Oxygen Atmosphere Hydrosphere Biosphere Lithosphere

21. Biosphere: • Where would you find the biosphere?

22. Biosphere: • Where would you find the biosphere? • In the lithosphere. (worms, plant roots)

23. Biosphere: • Where would you find the biosphere? • In the lithosphere. (worms, plant roots) • In the atmosphere. (birds, trees)

24. Biosphere: • Where would you find the biosphere? • In the lithosphere. (worms, plant roots) • In the atmosphere. (birds, trees) • In the hydrosphere. (fish, water plants)

25. Hydrosphere: • Where would you find the hydrosphere?

26. Hydrosphere: • Where would you find the hydrosphere? • Oceans

27. Hydrosphere: • Where would you find the hydrosphere? • Oceans • Marshes

28. Hydrosphere: • Where would you find the hydrosphere? • Oceans • Marshes • Freshwater (lakes, rivers, springs, ponds, puddles, etc.)

29. Hydrosphere: • Where would you find the hydrosphere? • Oceans • Marshes • Freshwater (lakes, rivers, springs, ponds, puddles, etc.) • Glaciers and polar caps as frozen hydrosphere

30. Hydrosphere: • Where would you find the hydrosphere? • Oceans • Marshes • Freshwater (lakes, rivers, springs, ponds, puddles, etc.) • Glaciers and polar caps as frozen hydrosphere • Ground water (under part of the lithosphere) • Atmospheric water (clouds, water vapor, all precipitation)

31. Hydrosphere: • How does water move on our planet? • The water cycle

32. Atmospheric layers: • Troposphere:

33. Atmospheric layers: • Troposphere: Runs from the Earth’s surface to about 12 km.

34. Atmospheric layers: • Troposphere: Runs from the Earth’s surface to about 12 km. • Weather that affects the planet happens here.

35. Atmospheric layers: • Troposphere: Runs from the Earth’s surface to about 12 km. • Weather that affects the planet happens here. • Temperature decreases as you go up through this layer.

36. Atmospheric layers: • Troposphere: Runs from the Earth’s surface to about 12 km. • Weather that affects the planet happens here. • Temperature decreases as you go up through this layer. • Stratosphere:

37. Atmospheric layers: • Troposphere: Runs from the Earth’s surface to about 12 km. • Weather that affects the planet happens here. • Temperature decreases as you go up through this layer. • Stratosphere: Runs from the top of the troposphere to about 48 km.

38. Atmospheric layers: • Troposphere: Runs from the Earth’s surface to about 12 km. • Weather that affects the planet happens here. • Temperature decreases as you go up through this layer. • Stratosphere: Runs from the top of the troposphere to about 48 km. • Jet planes fly here.

39. Atmospheric layers: • Troposphere: Runs from the Earth’s surface to about 12 km. • Weather that affects the planet happens here. • Temperature decreases as you go up through this layer. • Stratosphere: Runs from the top of the troposphere to about 48 km. • Jet planes fly here. • Temperature increase as you go up through this layer.

40. Atmospheric layers: • Troposphere: Runs from the Earth’s surface to about 12 km. • Weather that affects the planet happens here. • Temperature decreases as you go up through this layer. • Stratosphere: Runs from the top of the troposphere to about 48 km. • Jet planes fly here. • Temperature increase as you go up through this layer. • The ozone is located here.

41. Atmospheric layers: • Mesosphere:

42. Atmospheric layers: • Mesosphere: Runs from the top of the stratosphere to about 80 km.

43. Atmospheric layers: • Mesosphere: Runs from the top of the stratosphere to about 80 km. • Meteors burn up here (shooting stars).

44. Atmospheric layers: • Mesosphere: Runs from the top of the stratosphere to about 80 km. • Meteors burn up here (shooting stars). • Temperature decreases as you go up through this layer (as low as –90 degrees Celsius).

46. Atmospheric layers: • Mesosphere: Runs from the top of the stratosphere to about 80 km. • Meteors burn up here (shooting stars). • Temperature decreases as you go up through this layer (as low as –90 degrees Celsius). • Thermosphere:

47. Atmospheric layers: • Mesosphere: Runs from the top of the stratosphere to about 80 km. • Meteors burn up here (shooting stars). • Temperature decreases as you go up through this layer (as low as –90 degrees Celsius). • Thermosphere: Runs from the top of the Mesosphere to about 1,000 km.

48. Atmospheric layers: • Mesosphere: Runs from the top of the stratosphere to about 80 km. • Meteors burn up here (shooting stars). • Temperature decreases as you go up through this layer (as low as –90 degrees Celsius). • Thermosphere: Runs from the top of the Mesosphere to about 1,000 km. • The space shuttle orbits the Earth here.

49. Atmospheric layers: • Mesosphere: Runs from the top of the stratosphere to about 80 km. • Meteors burn up here (shooting stars). • Temperature decreases as you go up through this layer (as low as –90 degrees Celsius). • Thermosphere: Runs from the top of the Mesosphere to about 1,000 km. • The space shuttle orbits the Earth here. • Temperature increase as you go up through this layer (as high as 2,000 degrees Celsius).

50. Atmospheric layers: • Mesosphere: Runs from the top of the stratosphere to about 80 km. • Meteors burn up here (shooting stars). • Temperature decreases as you go up through this layer (as low as –90 degrees Celsius). • Thermosphere: Runs from the top of the Mesosphere to about 1,000 km. • The space shuttle orbits the Earth here. • Temperature increase as you go up through this layer (as high as 2,000 degrees Celsius). • The Aurora Borealis lights happen here.