1. Which term describes any object that exists in space? a. celestial object b. star c. planet d. asteroid

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1 Space Test Review Multiple Choice Identify the choice that best completes the statement or answers the question. 1. Which term describes any object that exists in space? a. celestial object b. star c. planet d. asteroid 2. Which term describes a massive collection of gases in space that emits large amounts of energy? a. star b. planet c. asteroid d. crater 3. The Sun is an example of which of the following? a. star b. planet c. Solar System d. galaxy 4. Which statement is true about the size of the Sun? a. Compared to other stars, it is very small. b. Compared to other stars, it is very large. c. Compared to Earth, it is very small. d. Compared to Earth, it is very large. 5. Which term describes a large, round celestial object that travels around a star? a. planet b. moon c. asteroid d. crater 6. Which term describes the closed path that a celestial object takes around another object? a. orbit b. galaxy c. crater d. light year 7. Which feature makes Earth different from all the other planets in the Solar System? a. Earth is the largest. b. Earth is the only planet made of solid material. c. Earth is the only planet made mostly of gases and a small rocky core. d. Earth is the only planet that contains liquid water and living things. 8. Which term describes any celestial object travelling in orbit around a larger celestial object? a. natural satellite b. moon c. planet d. asteroid 9. Which term describes a huge, rotating collection of gas, dust, stars, planets, and other celestial objects? a. galaxy b. Solar System c. Universe d. star cluster 10. Which term describes the large areas of dark rock on the Moon s surface? a. maria b. asteroid c. crater d. orbit 11. Which term describes the small, rocky, irregularly shaped celestial objects that orbit the Sun? a. marias b. asteroids c. craters d. stars 12. Which term describes the circular or bowl-shaped holes in surfaces caused by the impact of a celestial object? a. marias b. asteroids c. craters d. orbits 13. What colour are the coldest stars? a. red b. yellow c. white d. blue

2 14. What type of galaxy is shown in this figure? a. elliptical b. irregular c. lenticular d. spiral 15. What type of galaxy is shown in this figure? a. elliptical b. irregular c. lenticular d. spiral 16. What type of galaxy is shown in this figure? a. elliptical b. irregular c. lenticular d. spiral 17. Which term describes a meteoroid that burns up as it travels through Earth s atmosphere, forming a bright streak of light in the sky? a. meteor b. comet c. asteroid d. crater 18. Which term describes a small celestial object made of rock or metal that is smaller than an asteroid? a. meteoroid b. meteor c. comet d. crater 19. About how many days does it take Earth to make one revolution around the Sun? a. 30 b. 180 c. 365 d Which planet orbits the Sun most quickly? a. Mercury b. Earth c. Jupiter d. Neptune 21. What causes Earth s seasons to change? a. distance from the Sun b. rotation around an axis c. phases of the Moon d. tilt 22. In the northern hemisphere, the summer solstice occurs around which date? a. March 21 b. June 21 c. July 21 d. August In the northern hemisphere, the winter solstice occurs around which date? a. September 21 b. December 21 c. January 21 d. February Which term describes a day when the hours of daylight equal the hours of darkness? a. solstice b. equinox c. azimuth d. altitude

3 25. What is the name of the asterism shown here? a. The Big Dipper b. Cassiopeia c. Cepheus d. Draco 26. Which statement is true about the seasons on Earth? a. Seasons occur based on Earth s distance from the Sun at a given time. b. When it is winter in the northern hemisphere, it is also winter in the southern hemisphere. c. Earth is the only planet that experiences seasons. d. The equatorial regions do not have four seasons. 27. Which statement is true about a solar eclipse? a. A solar eclipse occurs when the Moon passes through Earth s shadow and does not reflect as much sunlight as usual. b. A solar eclipse can be seen anywhere on Earth. c. It is more common to see a solar eclipse than a lunar eclipse. d. A total solar eclipse occurs somewhere on Earth once every two years. 28. Use this figure to determine which statement is true about the International Space Station s orbit around Earth. a. The combination of the forward motion of the ISS and the pull of Earth s gravity keeps it in orbit. b. The distance the ISS is from the centre of Earth is continually decreasing. c. The ISS is pushed away from Earth by the force of gravity. d. Without the force of gravity, the ISS would hover, unmoving, in space. Short Answer 29. Caleb claims that on a very clear night, when he looks at the sky from his backyard, he is able to see all of the stars in space. Is Caleb s claim correct? Give a reason for your answer.

4 30. The Sun is much larger than any other star. This is why it appears so large when viewed from Earth. Do you agree or disagree with this statement? Justify your answer. 31. What are the three criteria a celestial object must meet to be classified as a planet? 32. Describe the features that make Earth different from all other planets in the Solar System. 33. The Moon lights up ; therefore, it is luminous. Do you agree or disagree with this statement? Justify your answer. 34. Roberto believes that Pluto is a planet because it orbits the Sun and is spherical in shape. Is Roberto correct? Justify your answer. 35. How do you use energy from the Sun in your everyday life?

5 36. Explain what causes day and night on Earth. 37. Describe how Earth s tilt determines the four seasons in Canada. What season is Canada experiencing in each of the following figures? 38. Explain why the phases of the Moon occur. 39. What occurs during a solar eclipse? Create a diagram to represent this event. 40. What occurs during a lunar eclipse? Create a diagram to represent this event.

6 41. What would occur if a spacecraft launched into space was travelling faster than the designated launch speed? 42. Create a graphic organizer to highlight some of the challenges of space travel related to human survival. 43. There is no gravity in space. Do you agree or disagree with this statement? Justify your answer. 44. Would you like to be an astronaut? What do you think it would be like to travel in space? Describe the challenges you might face. 45. What would occur if a spacecraft launched into space was travelling slower than the designated launch speed? 46. Do you think humans should live on the Moon? Give a reason for your answer. 47. Marc s science teacher told his class that Canadians had made many important contributions to the field of space exploration. Do you agree with Marc s teacher? Justify your answer.

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