A) escape velocity. B) an action force. C) velocity. D) thrust.
A) 1971. B) 1969. C) 1957. D) 1961.
A) rover B) space probe C) space shuttle D) space station
A) Great Britain. B) the United States. C) China. D) the Soviet Union.
A) establish a permanent colony on the moon. B) put the first American in space. C) land astronauts on the moon. D) prove that the moon is solid.
A) it can be reused after returning to Earth. B) it requires less fuel to overcome gravity at the time of launch. C) the total weight of the rocket is reduced as the rocket rises. D) it can carry humans into space.
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.
A) a rover. B) the Eagle. C) the moon. D) Explorer 1.
A) NASA B) the space race C) the International Space Station D) the Apollo program
A) vacuum B) velocity C) thrust D) rover
A) John Glenn B) Buzz Aldrin C) Neil Armstrong D) Robert Goddard
A) satellites B) space stations C) space shuttles D) rovers
A) True B) False
A) False B) True
A) False B) True
A) False B) True
A) space shuttle B) space station C) space probe D) rovers
A) space shuttle B) rovers C) space station D) space probe
A) space shuttle B) rovers C) space probe D) space station
A) space shuttle B) space station C) rovers D) space probe
A) space probe B) space shuttle C) rover D) space station
A) space station B) space probe C) rover D) space shuttle
A) rover B) space probe C) space station D) space shuttle
A) space shuttle B) space probe C) rover D) space station
A) False B) True |