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