1. EducationEducation is not preparation for life; education is life itself. - John Dewey -

2. WHERE DID THE SOLAR SYSTEM FORM?

3. IN A NEBULA

4. WHAT CAUSES THE TIDES ON EARTH?

5. GRAVITATIONAL ATTRACTIN FROM THE MOON AND THE SUN

6. WHERE DID EARTH GET THE MOON?

7. AFTER COLLISION WITH A MARS SIZED PLANET, THE MOON WAS FORMED FROM THE LEFT OVER DEBRIS

8. WHY DO WE ONLY SEE ONE SIDE OF THE MOON?

9. THE TIMES FOR ROTATION AND REVOLUTION ARE THE SAME

10. WHY DOES EARTH HAVE A MAGNETIC FIELD?

11. EARTH HAS A LIQUID IRON OUTER CORE

12. HOW OLD IS THE SOLAR SYSTEM?

13. 4.5 BILLION YEARS

14. HOW LONG WILL THE SUN BE AROUND?

15. ANOTHER 5 BILLION YEARS

16. WHAT POWERS THE SUN?

17. NUCLEAR FUSION

18. HOW MUCH OF THE MASS OF THE SOLAR SYSTEM WOULD THE SUN HAVE?

19. 99.9%

20. WHY ARE THE 4 INNER PLANETS SMALL AND ROCKY?

21. THE SUN MELTED THE ICE AND PUSHED THE GAS FURTHER OUT

22. NAME THE PLANETS IN ORDER

23. MERCURY VENUS EARTH MARS JUPITER SATURN URANUS NEPTUNE

24. WHAT KIND OF ORBITS DO THE PLANETS MAKE AROUND THE SUN?

25. ELIPTICAL

26. WHY DOES EARTH HAVE SEASONS?

27. IT IS TILTED 23.5 o ON ITS AXIS

28. WHAT IS A BARYCENTER?

29. THE CENTER OF MASS BETWEEN TWO OBJECTS ROTATING AROUND EACH OTHER

30. WHY IS EARTH NOT A PERFECT SPHERE? IN OTHER WORDS, WHY DOES IT BULGE AROUND THE EQUATOR?

31. BECAUSE OF ITS ROTATION ON ITS AXIS (CENTRIFUGAL FORCE)

32. WHAT DID THE CASSINI-HUYGENS MISSION EXPLORE?

33. SATURN AND ITS MOONS AND RINGS

34. WHAT IS THE ATMOSPHERE OF SATURN’S MOON TITAN?

35. NITROGEN AND METHANE

36. WHAT ARE THE LAKES AND RIVERS ON TITAN?

37. LIQUID NATURAL GAS

38. WHAT IS UNUSUAL ABOUT THE AXIS OF ROTATION OF URANUS?

39. IT IS ALMOST OVER ON ITS SIDE

40. WHICH PLANET MIGHT WE HAVE THE BEST CHANCE OF COLONIZING?

41. MARS

42. WHAT IS THE ONLY PLACE IN THE SOLAR SYSTEM THAT HUMANS HAVE VISITED BESIDES EARTH?

43. THE MOON

44. VENUS IS THE SAME SIZE AS EARTH, SO WHY DON’T WE COLONIZE VENUS?

45. THE SURFACE TEMPERATURE IS 900 o F, AND THE ATMOSPHERIC PRESSURE ON THE SURFACE IS 90 TIMES THAT OF EARTH.

46. WHAT IS THE ATMOSPHERE OF VENUS?

47. MOSTLY CARBON DIOXIDE WITH SULFURIC ACID CLOUDS

48. WHERE DID EARTH GET MOST OF ITS WATER?

49. VOLCANOES AND COMETS

50. WHAT IS THE SOLAR WIND?

51. CHARGED PARTICLES KICKED OUT BY THE SUN

52. WHAT IS THE SUN MADE OF?

53. MOSTLY HYDROGEN AND HELIUM

54. IS THE SUN A SOLID, LIQUID OR GAS?

55. IT IS A PLASMA