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