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| 1.
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Why are radio telescopes considered to be dependable telescopes?
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| | 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 use radios to help various telescope's computers communicate with each other |
| | D) | because they never run out of energy |
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| 2.
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When is the new space station expected to be operational?
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| | A) | 2005 |
| | B) | 2020 |
| | C) | 2000 |
| | D) | It's operational now. |
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| 3.
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Space probes, unlike satellites, are able to __________.
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| | A) | go into orbit |
| | B) | travel out of the solar system |
| | C) | gather data |
| | D) | be retrieved |
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| 4.
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What additional question are scientists exploring about the Moon?
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| | A) | Can we harvest soil from the Moon? |
| | B) | Is the Moon habitable? |
| | C) | Does water exist in the craters of the Moon's poles? |
| | D) | Does the Moon have an atmosphere? |
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| 5.
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A satellite traveling around an object in a curved path is said to be __________.
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| | A) | falling |
| | B) | in orbit |
| | C) | lost |
| | D) | circling |
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| 6.
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The destination of the space probe <i>Cassini</i> is __________.
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| | A) | Uranus |
| | B) | Saturn |
| | C) | Jupiter |
| | D) | Pluto |
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| 7.
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What does it mean to talk about the frequency of electromagnetic radiation?
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| | A) | the number of times a wave moves per unit of sound |
| | B) | the distance waves travel in a certain amount of time |
| | C) | the number of times a wave vibrates per unit of time |
| | D) | the distance a line travels in a certain amount of time |
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| 8.
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Why are rockets ideal for exploring space?
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| | A) | They don't need air. |
| | B) | They are inexpensive. |
| | C) | They can gather lots data. |
| | D) | They are retrievable. |
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| 9.
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What is the difference between refracting and reflecting telescopes?
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| | A) | A refracting telescope uses a mirror, and a reflecting telescope uses a concave lens to magnify an image. |
| | B) | A refracting telescope uses a convex lens to magnify an image, and a reflecting telescope uses a mirror. |
| | C) | There is no difference. |
| | D) | A reflecting telescope uses a convex lens to magnify an image, and a refracting telescope uses a mirror. |
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| 10.
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Which missions to Mars ended in failure?
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| | A) | Mars Climate Orbiter and Polar Lander |
| | B) | Mars Global Surveyor and Polar Lander |
| | C) | Mars Climate Orbiter and Pathfinder |
| | D) | Sojourner and Pathfinder |
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| 11.
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A modern application for a satellite is for __________.
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| | A) | transmitting radio and television signals |
| | B) | gathering scientific data |
| | C) | all answers are correct |
| | D) | gathering pictures of Earth's surface |
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| 12.
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What distinguishes the two types of rockets from each other?
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| | A) | the type of fuel they use |
| | B) | their uses |
| | C) | the way they are designed |
| | D) | the parts of space they explore |
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| 13.
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What did NASA administrators particularly like about the space shuttle?
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| | A) | It would be reusable, so it would cost less. |
| | B) | It would be more accurate, bring back more data, and it would be more cost effective. |
| | C) | Many countries would chip in, so it would cost less. |
| | D) | It would be cheaper to make, so it would cost less. |
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| 14.
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Why can't astronauts hear each other in space without the use of a microphone?
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| | A) | because there's no such thing as sound in space |
| | B) | because outer space alters the astronaut's hearing |
| | C) | because sound waves can't travel through empty space |
| | D) | because sound waves can't travel in space, far from Earth |
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| 15.
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The use of adaptive optics integrates a dependence on __________.
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| | A) | mirrors |
| | B) | lasers |
| | C) | computers |
| | D) | lenses |
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| 16.
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What was the initial problem with the <i>Hubble Space Telescope</i>?
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| | A) | It is a refracting telescope, and there was a problem with the mirror. |
| | B) | It is a reflecting telescope, and there was a problem with the lens. |
| | C) | It is a reflecting telescope, and there was a problem with the mirror. |
| | D) | It is a refracting telescope, and there was problem with the lens. |
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| 17.
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What is the name of the cooperative space station now being built?
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| | A) | Soyuz |
| | B) | Skylab |
| | C) | Mir |
| | D) | International Space Station |
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| 18.
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Which U.S. project was the first to land a human on the Moon?
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| | A) | Project Gemini |
| | B) | Project Apollo |
| | C) | Project Mercury |
| | D) | Project Surveyor |
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| 19.
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What form of energy is light that is emitted from stars?
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| | A) | convection |
| | B) | radiation |
| | C) | thermal |
| | D) | conduction |
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| 20.
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Which planet did <i>Galileo</i> explore before it was crushed by its atmosphere?
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| | A) | Jupiter |
| | B) | Saturn |
| | C) | Mars |
| | D) | Uranus |
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