1. Why do we have night and day? A.Earth’s rotation B.Earth’s revolution C.Tilt of the Earth on its axis D.I need Help! 0 of 5 10

2. What causes Earth to experience different seasons? 0 of 5 A.It rotates on its axis while it revolves around the sun B.It revolves on its axis while it rotates around the sun C.It is tilted while it rotates around the sun. D.It is tilted while it revolves around the sun. E.I need help! 10

3. If the Earth’s Revolution was slower, we would experience A.Longer days B.Shorter days C.Longer years D.Shorter years E.I need help! 0 of 5 10

4. Of the following, which does not affect seasons? A.Earth is tilted 23.5 degrees B.The Earth revolves around the sun C.The Earth’s distance from the sun D.I need help! 0 of 5 10

5. Which phase occurs when the moon is in between the Earth and the sun? A.Full moon B.New moon C.1 st Quarter moon D.3 rd quarter moon 0 of 5 10

6. What causes us to see different phases of the moon? A.Light reflects off of the surface of the moon. B.The moon revolves around the Earth. C.We see different perspectives of the moon. D.All of the above. 0 of 5 10

7. What is the main cause of tides? A.The gravitational pull of the moon B.The gravitational pull of the sun C.The gravitational pull of the Earth D.I need help! 0 of 5 10

8. If the sun, moon, and Earth are perfectly aligned (as pictured), what event will occur on Earth? A.Neap Tide B.Solar Eclipse C.Lunar Eclipse D.Seasonal Change 0 of 5 10

9. When studying a solar eclipse, which would be a proper method of viewing the sun? A.Wear sunglasses B.Use a telescope C.Use a magnifying glass D.Use filters that are specifically designed to view eclipses E.I need help! 0 of 5 10

10. What is an object’s resistance to a change in motion? A.Gravity B.Inertia C.Mass D.Friction E.I need help!

11. Predict what would happen if Earth stopped its forward motion around the sun? A.It will fly off into space. B.It will hit the nearest planet. C.It will get pulled into the sun. D.It will continue to revolve.

12. What keeps planets revolving around the sun? A.The sun’s gravitational pull. B.The planet’s mass. C.The planet’s magnetic field. D.The Sun’s inertia. E.I need help!

13. An icy object that has an elongated orbit around the sun is referred to as a(n)…. A.Asteroid B.Comet C.Meteor D.Meteorite E.I don’t know! 0 of 5 10

14. The flash of light produced when a meteoroid passes through the Earth’s atmosphere is a(n) A.Asteroid B.Comet C.Meteor D.Meteorite E.I don’t know! 0 of 5 10

15. Why does a meteoroid create a streak of light when entering the Earth’s atmosphere? A.Light from the sun is reflected of the surface of each B.Energy is released from the objects C.Lightning is produced from these objects D.Light is a result of friction from the gasses in the atmosphere E.I don’t know! 0 of 5 10

16. Which of the following applies to meteoroids and asteroids. A.They are similar in size. B.They are rocky and/or metallic. C.They are composed of frozen gases, ice, and dust. D.They orbit the sun in highly elliptical patterns. E.I don’t know! 0 of 5 10

17. Which of the following objects would cause the most damage if it hit the Earth? A.Asteroid B.Meteoroid C.Meteorite D.Meteor E.I don’t know! 0 of 5 10

18. Which type of telescope focuses light using a mirror? A.Reflecting Telescope B.Refracting Telescope C.Radio Telescope D.Infrared Telescope E.I need help!

19. Which type of telescope focuses light through transparent lenses? A.Reflecting Telescope B.Refracting Telescope C.Radio Telescope D.Infrared Telescope E.I need Help!

20. One of the greatest advancements in astronomy was the telescope. Which is the correct order of advancements? A.Radio- refracting-reflecting B.Reflecting – refracting – radio C.Refracting-reflecting-radio D.Radio- reflecting-refracting E.I need help!

21. Which of the following is an advantage of a space-based, satellite telescope like Hubble? A.Satellite telescopes are much closer to the stars. B.Satellite telescopes are able to see through solid objects. C.Satellite telescopes can detect wavelengths that are blocked by the atmosphere. D.Satellite telescopes have the ability to see the future. E.I need help!

22. A light year is a measurement of… a)Distance b)Time c)Speed d)Acceleration e)I don’t know! I need help! 0 of 5 10

23. Why do astronomers measure interstellar distances in light years instead of kilometers or miles? A.Light years are a measure of time. B.Miles and kilometers are too small of a unit. C.Miles and kilometers are too large of a unit. D.I don’t know! I need help! 0 of 5 10

24. You are viewing a star that is 20 light years away. When was the light from this star produced? a)Before you were born b)After you were born c)10 years ago d)2 years ago e)I don’t know! I need help! 0 of 5 10

25. Which characteristic of stars cause them to be different colors? a)chemical composition b)distance c)size d)temperature e)I need help. 0 of 5 10

26. Which color would describe the youngest and hottest star? a)blue b)red c)orange d)yellow e)I need help! 0 of 5 10

27. Which star would be the brightest if all the stars are the same distance from Earth? a)Main sequence b)Neutron Star c)Red super giants d)White dwarf e)I need help. 0 of 5 10

28. How would you classify our star, the sun, on the H-R diagram? a)Main sequence b)Red giant c)White dwarf d)Red supergiant e)I need help. 0 of 5 10

29. If given a protostar, what is the next likely stage of the star? a)Super Giant b)Nova c)Main Sequence d)Neutron Star e)I need some help 0 of 5 10

30. What is the first stage of the birth of a star? a)Protostar b)Nebula c)Giant d)Dwarf e)I need some help. 0 of 5 10

31. What happens to the most massive stars as they near their death? a)super nova to a black hole b)super nova to a red giant c)becomes a white dwarf d)nothing happens e)I need some help. 0 of 5 10

32. By what are galaxies classified? a)Color b)Temperature c)Size d)Shape 0 of 5 10

33. What type of galaxy is illustrated in the following picture? a)Irregular b)Spiral c)Elliptical d)I have no idea.. I need help! 0 of 5 10

34. What type of galaxies contain older stars? a)Elliptical b)Irregular c)Barred shape d)spiral 0 of 5 10