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