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