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