1.
A) sunlight B) fuel C) air D) the fact that we don't know what's out there 2.
A) the parts of space they explore B) their uses C) the way they are designed D) the type of fuel they use 3.
Galileo explore before it was crushed by its atmosphere?A) Jupiter B) Saturn C) Mars D) Uranus 4.
Hubble Space Telescope ?A) It is a reflecting telescope, and there was a problem with the mirror. B) It is a refracting telescope, and there was a problem with the mirror. C) It is a reflecting telescope, and there was a problem with the lens. D) It is a refracting telescope, and there was problem with the lens. 5.
A) Soviet Union B) China C) United States D) Japan 6.
A) weather conditions B) mirrors C) lenses D) computers 7.
Cassini is __________.A) Uranus B) Saturn C) Jupiter D) Pluto 8.
A) the distance waves travel in a certain amount of time B) the number of times a wave moves per unit of sound C) the distance a line travels in a certain amount of time D) the number of times a wave vibrates per unit of time 9.
A) It would be cheaper to make, so it would cost less. B) It would be more accurate, bring back more data, and it would be more cost effective. C) It would be reusable, so it would cost less. D) Many countries would chip in, so it would cost less. 10.
A) Project Mercury B) Project Surveyor C) Project Gemini D) Project Apollo 11.
A) travel out of the solar system B) gather data C) be retrieved D) go into orbit 12.
A) Soyuz B) Mir C) International Space Station D) Skylab 13.
A) Mars Global Surveyor and Polar Lander B) Sojourner and Pathfinder C) Mars Climate Orbiter and Pathfinder D) Mars Climate Orbiter and Polar Lander 14.
A) mirrors B) lasers C) lenses D) computers 15.
A) Is the Moon habitable? B) Can we harvest soil from the Moon? C) Does the Moon have an atmosphere? D) Does water exist in the craters of the Moon's poles? 16.
A) because there's no such thing as sound in space B) because sound waves can't travel through empty space C) because outer space alters the astronaut's hearing D) because sound waves can't travel in space, far from Earth 17.
A) gathering pictures of Earth's surface B) gathering scientific data C) all answers are correct D) transmitting radio and television signals 18.
A) 2020 B) 2005 C) 2000 D) It's operational now. 19.
A) because they use radio waves, which pass freely through Earth's atmosphere in any weather condition B) because they use radio waves, which do not pass freely through Earth's atmosphere due to unpredictable weather C) because they never run out of energy D) because they use radios to help various telescope's computers communicate with each other 20.
A) A reflecting telescope uses a convex lens to magnify an image, and a refracting telescope uses a mirror. B) A refracting telescope uses a mirror, and a reflecting telescope uses a concave lens to magnify an image. C) There is no difference. D) A refracting telescope uses a convex lens to magnify an image, and a reflecting telescope uses a mirror.
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