A) an action force. B) escape velocity. C) thrust. D) velocity.
A) 1971. B) 1957. C) 1969. D) 1961.
A) space shuttle B) space probe C) space station D) rover
A) the United States. B) the Soviet Union. 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) the total weight of the rocket is reduced as the rocket rises. B) it can be reused after returning to Earth. C) it requires less fuel to overcome gravity at the time of launch. D) it can carry humans into space.
A) show that different countries can work together. B) carry out experiments in space. C) use solar panels to produce electricity for people on Earth. 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 space race C) the International Space Station D) the Apollo program
A) vacuum B) rover C) thrust D) velocity
A) John Glenn B) Neil Armstrong C) Buzz Aldrin D) Robert Goddard
A) space stations B) space shuttles C) satellites D) rovers
A) False B) True
A) False B) True
A) True B) False
A) True B) False
A) space probe B) space station C) space shuttle D) rovers
A) space shuttle B) space probe C) rovers D) space station
A) space shuttle B) rovers C) space station D) space probe
A) space station B) space probe C) space shuttle D) rovers ![]()
A) space shuttle B) space station C) space probe D) rover ![]()
A) space station B) space probe C) space shuttle D) rover ![]()
A) space station B) space probe C) space shuttle D) rover ![]()
A) space station B) rover C) space probe D) space shuttle
A) True B) False |