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. Interconnectedness: Lithosphere Hydrosphere Biosphere Atmosphere Carbon Dioxide Oxygen

15. Biosphere: What makes up the biosphere?

16. Biosphere: What makes up the biosphere? Bacteria

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

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

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

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

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.