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Chapter 2 - Unit Test - Astronomy
供稿人: Lefebvre
  • 1. The force that propels a rocket forward is called
A) velocity.
B) escape velocity.
C) thrust.
D) an action force.
  • 2. Humans first landed on the moon in
A) 1969.
B) 1961.
C) 1957.
D) 1971.
  • 3. A ________________________ can carry satellites into orbit.
A) space probe
B) rover
C) space station
D) space shuttle
  • 4. Rockets were first developed in
A) the Soviet Union.
B) China.
C) the United States.
D) Great Britain.
  • 5. The goal of the Apollo program was to
A) establish a permanent colony on the moon.
B) prove that the moon is solid.
C) land astronauts on the moon.
D) put the first American in space.
  • 6. The main advantage of a multistage rocket is that
A) the total weight of the rocket is reduced as the rocket rises.
B) it can carry humans into space.
C) it requires less fuel to overcome gravity at the time of launch.
D) it can be reused after returning to Earth.
  • 7. The main purpose of a space station is to
A) carry out experiments in space.
B) use solar panels to produce electricity for people on Earth.
C) show that different countries can work together.
D) take photos and readings of other planets in the solar system.
  • 8. An example of an artificial satellite is
A) a rover.
B) the Eagle.
C) the moon.
D) Explorer 1.
  • 9. Which is a cooperative effort among many different countries?
A) the International Space Station
B) NASA
C) the space race
D) the Apollo program
  • 10. The speed of a rocket in a given direction is its
A) thrust
B) vacuum
C) velocity
D) rover
  • 11. The first person to walk on the moon was
A) John Glenn
B) Robert Goddard
C) Neil Armstrong
D) Buzz Aldrin
  • 12. Some space probes have small robots called ________________________ that collect and analyze samples.
A) space shuttles
B) space stations
C) rovers
D) satellites
  • 13. True or False: The first American to orbit Earth was Alan Shepard.
A) True
B) False
  • 14. True or False: A space probe is a spacecraft that has no human crew.
A) False
B) True
  • 15. True or False: Orbital velocity is the velocity a rocket must reach to fly off into space.
A) True
B) False
  • 16. True or False: The force of gases shooting out the back of a rocket is an example of an action force.
A) True
B) False
  • 17. A spacecraft that has various scientific instruments that can collect data, including visual images, but has no human crew is called a ________________________.
A) space shuttle
B) space probe
C) rovers
D) space station
  • 18. A ________________________ is a large artificial satellite on which people can live and work for long periods.
A) space station
B) space probe
C) space shuttle
D) rovers
  • 19. Some probes have small robots called ________________________ that can move about on the surface of another planet or moon.
A) rovers
B) space shuttle
C) space station
D) space probe
  • 20. A ________________________ is a spacecraft that can carry a crew into space, return to Earth, and then be reused for the same purpose.
A) rovers
B) space probe
C) space shuttle
D) space station
  • 21. This is a picture of a:
A) space station
B) rover
C) space shuttle
D) space probe
  • 22. This is a picture of a:
A) rover
B) space shuttle
C) space station
D) space probe
  • 23. This is a picture of a:
A) space shuttle
B) space probe
C) rover
D) space station
  • 24. This is a picture of a:
A) rover
B) space probe
C) space shuttle
D) space station
  • 25. True or False: The Soviets launching the satellite Sputnik 1 started the Space Race.
A) True
B) False
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