1. The Solar System Chapters 26 and 27 You will be tested on the Underlined words

2. Our Solar System Mercury Venus Earth Mars Jupiter Saturn Uranus Neptune Pluto ? Inner Planets Outer Planets

3. Mercury Mars Venus Earth The Inner planets are grouped together because they have similar characteristics The Inner Planets Sun Terrestrial-earthlike, rocky crust, dense mantle and core

4. Orbits of the Inner Planets

5. Mercury The smallest of 4 inner planets. (terrestrial planets) The smallest of 4 inner planets. (terrestrial planets)

6. Mercury and Earth Moon All pictures are to scale so you can relate size

7. Venus Similar in size, mass and gravity Similar in size, mass and gravity Called Earth’s sister planet Called Earth’s sister planet Near each other Near each other

8. Venus and Earth

9. Earth

10. Earth Facts: The Blue Planet Size (miles): 7927 Size (miles): 7927 Named after: Greek Gaia-Dirt Named after: Greek Gaia-Dirt Day length (Earth Days): 1 Day Day length (Earth Days): 1 Day Year length: 365 & ¼ days Year length: 365 & ¼ days Weather: ~57ºF Weather: ~57ºF Space craft visits: UFO’s ? Space craft visits: UFO’s ? Moons: The Moon Moons: The Moon Interesting Facts: Only planet with known life, only planet with liquid water, most dense planet Interesting Facts: Only planet with known life, only planet with liquid water, most dense planet

11. Mars May have life

12. Mars and Earth

13. The Asteroid Belt Separates the Inner and Outer planets Separates the Inner and Outer planets Ceres- Ceres- Dwarf planet- Dwarf planet- Orbits sun Spherical Not a satellite (moon)

14. The Outer Planets ?

15. 4 Outer Planets are called Jovian 4 Outer Planets are called Jovian Gaseous planets Gaseous planets Outer layer is mostly Hydrogen Outer layer is mostly Hydrogen Jovian - Jupiter-like Jovian - Jupiter-like

16. Jupiter

17. Jupiter Earth

18. Saturn

19. Saturn and Earth

20. Uranus

21. Uranus and Earth

22. Neptune

23. Neptune and Earth

24. Planet Pluto ?? Now considered a dwarf planet- Orbits sun Spherical Not a satellite (moon) Charon- Pluto’s large moon

25. Pluto and Earth Pluto Charon Moon

27. Orbits of the Outer Planets

28. Past Pluto?

30. 1 Quiz Time! 2 3 4 5 6 7 8 9 10 Match the name of the object with the number, and give one interesting thing you learned about that object Match the name of the object with the number, and give one interesting thing you learned about that object

31. Answers