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