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Chapter 2 - Unit Test - Astronomy - اختبار
  • 1. The force that propels a rocket forward is called
A) velocity.
B) escape velocity.
C) an action force.
D) thrust.
  • 2. Humans first landed on the moon in
A) 1961.
B) 1971.
C) 1969.
D) 1957.
  • 3. A ________________________ can carry satellites into orbit.
A) rover
B) space probe
C) space shuttle
D) space station
  • 4. Rockets were first developed in
A) China.
B) the Soviet Union.
C) Great Britain.
D) the United States.
  • 5. The goal of the Apollo program was to
A) put the first American in space.
B) land astronauts on the moon.
C) establish a permanent colony on the moon.
D) prove that the moon is solid.
  • 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) take photos and readings of other planets in the solar system.
B) use solar panels to produce electricity for people on Earth.
C) show that different countries can work together.
D) carry out experiments in space.
  • 8. An example of an artificial satellite is
A) a rover.
B) the moon.
C) the Eagle.
D) Explorer 1.
  • 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) vacuum
B) rover
C) velocity
D) thrust
  • 11. The first person to walk on the moon was
A) Robert Goddard
B) Buzz Aldrin
C) Neil Armstrong
D) John Glenn
  • 12. Some space probes have small robots called ________________________ that collect and analyze samples.
A) space shuttles
B) rovers
C) space stations
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) True
B) False
  • 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 probe
B) space station
C) rovers
D) space shuttle
  • 18. A ________________________ is a large artificial satellite on which people can live and work for long periods.
A) space probe
B) rovers
C) space station
D) space shuttle
  • 19. Some probes have small robots called ________________________ that can move about on the surface of another planet or moon.
A) rovers
B) space probe
C) space station
D) space shuttle
  • 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 station
D) space shuttle
space shuttle
  • 21. This is a picture of a:
A) space probe
B) rover
C) space station
D) space shuttle
space probe
  • 22. This is a picture of a:
A) space station
B) space probe
C) rover
D) space shuttle
space station
  • 23. This is a picture of a:
A) space station
B) rover
C) space shuttle
D) space probe
rover
  • 24. This is a picture of a:
A) space station
B) space shuttle
C) rover
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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