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