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