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Exploring SpaceChapter 22

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1. Cassandra is making a model rocket like the one in the diagram. She wants to make sure the rocket doesn’t burn up when she launches it. She has some extra insulation to add to the areas of the rocket that will get the hottest. Where should she add the insulation?

A area X only C areas X and Y

B area Y only D areas Y and Z

Chapter 22

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CRCT PreparationChapter 22

1. Cassandra is making a model rocket like the one in the diagram. She wants to make sure the rocket doesn’t burn up when she launches it. She has some extra insulation to add to the areas of the rocket that will get the hottest. Where should she add the insulation?

A area X only C areas X and Y

B area Y only D areas Y and Z

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2. Cassandra’s model rocket can travel at a speed of 600 km/h. What could happen to the rocket if it had enough fuel to reach Earth’s outer atmosphere?

A The rocket would eventually fall back to Earth.

B The rocket would achieve low Earth orbit.

C The rocket would achieve geostationary orbit.

D The rocket would escape Earth’s gravity.

Chapter 22

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CRCT PreparationChapter 22

2. Cassandra’s model rocket can travel at a speed of 600 km/h. What could happen to the rocket if it had enough fuel to reach Earth’s outer atmosphere?

A The rocket would eventually fall back to Earth.

B The rocket would achieve low Earth orbit.

C The rocket would achieve geostationary orbit.

D The rocket would escape Earth’s gravity.

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3. The study of which two planets is the most beneficial for scientists who want to better understand Earth?

A Mars and Jupiter

B Mercury and Neptune

C Saturn and Venus

D Venus and Mars

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CRCT PreparationChapter 22

3. The study of which two planets is the most beneficial for scientists who want to better understand Earth?

A Mars and Jupiter

B Mercury and Neptune

C Saturn and Venus

D Venus and Mars

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4. If a communications satellite is moving in a geostationary orbit, which statement best describes the satellite’s position relative to Earth?

A The satellite is orbiting Earth at the equator.

B The satellite is orbiting Earth in a polar orbit.

C The satellite is above a fixed spot over the North Pole.

D The satellite is above a fixed spot on the equator.

Chapter 22

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CRCT PreparationChapter 22

4. If a communications satellite is moving in a geostationary orbit, which statement best describes the satellite’s position relative to Earth?

A The satellite is orbiting Earth at the equator.

B The satellite is orbiting Earth in a polar orbit.

C The satellite is above a fixed spot over the North Pole.

D The satellite is above a fixed spot on the equator.

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5. Which one of the following bodies in the solar system has an atmosphere that may contain clues to the development of life on Earth?

A Mars

B Jupiter’s moon Europa

C Saturn’s moon Titan

D Neptune

Chapter 22

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CRCT PreparationChapter 22

5. Which one of the following bodies in the solar system has an atmosphere that may contain clues to the development of life on Earth?

A Mars

B Jupiter’s moon Europa

C Saturn’s moon Titan

D Neptune

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6. A space vehicle’s payload is the amount of material that the vehicle is able to carry into space. According to the table, what was the ratio of payload to vehicle height for the smallest space vehicle (expressed as a whole number)?

A 48:1 C 527:1

B 290:1 D 1165:1

Chapter 22

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CRCT PreparationChapter 22

6. A space vehicle’s payload is the amount of material that the vehicle is able to carry into space. According to the table, what was the ratio of payload to vehicle height for the smallest space vehicle (expressed as a whole number)?

A 48:1 C 527:1

B 290:1 D 1165:1

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7. Which space vehicle listed in the table would need the greatest amount of fuel to reach escape velocity?

A Mercury-Atlas C Titan IV

B Delta D Saturn V

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7. Which space vehicle listed in the table would need the greatest amount of fuel to reach escape velocity?

A Mercury-Atlas C Titan IV

B Delta D Saturn V

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8. A student uses a balloon filled with air to model a rocket. Although her model is very limited, the air-filled balloon is best for modeling

A escape velocity.

B action and reaction forces.

C orbital motion.

D payload carrying capacity.

Chapter 22

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CRCT PreparationChapter 22

8. A student uses a balloon filled with air to model a rocket. Although her model is very limited, the air-filled balloon is best for modeling

A escape velocity.

B action and reaction forces.

C orbital motion.

D payload carrying capacity.

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CRCT PreparationChapter 22

9. Probe missions have allowed scientists to study the planet Venus. How could studies of Venus’s atmosphere help scientists to create climate models that would give them a greater understanding of long-term trends in Earth’s atmosphere?

A Studies of gases and ash produced by volcanic activity on Venus could help scientists to understand air pollution on Earth.

B Studies of weather patterns and storms in Venus’s atmosphere could help scientists to predict violent storms on Earth.

C Studies of Venus’s severe greenhouse effect could help scientists to predict the effect of increasing greenhouse gases on Earth.

D Studies of the relative concentrations of gases in Venus’s atmosphere could help scientists to understand how Earth’s atmosphere developed.

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CRCT PreparationChapter 22

9. Probe missions have allowed scientists to study the planet Venus. How could studies of Venus’s atmosphere help scientists to create climate models that would give them a greater understanding of long-term trends in Earth’s atmosphere?

A Studies of gases and ash produced by volcanic activity on Venus could help scientists to understand air pollution on Earth.

B Studies of weather patterns and storms in Venus’s atmosphere could help scientists to predict violent storms on Earth.

C Studies of Venus’s severe greenhouse effect could help scientists to predict the effect of increasing greenhouse gases on Earth.

D Studies of the relative concentrations of gases in Venus’s atmosphere could help scientists to understand how Earth’s atmosphere developed.

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10. How could satellite technology help a geologist who is researching the rock formations on Lookout Mountain in Georgia?

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10. Answer - Full-credit answers should include the following points:

• The geologist could use maps made from satellite data that contain elevation and topography.

• The geologist could use GPS to determine his or her location on the ground.

• The geologist could use remote sensing and Landsat images to map different rock types.

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11. Why would an orbiting space probe provide more information about Jupiter than a land-based, high-power telescope could?

Chapter 22

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11. Answer - Full-credit answers should include the following points:

• A space probe could get closer to Jupiter than a telescope could, so it could obtain more detailed images.• A space probe could carry scientific instruments that would transmit information back to scientists on Earth.• A space probe could travel through Jupiter’s atmosphere and could measure temperature, atmospheric pressure, cloud structure, and chemical composition.