A) thrust. B) velocity. C) escape velocity. D) an action force.
A) 1957. B) 1971. C) 1961. D) 1969.
A) space shuttle B) space station C) space probe D) rover
A) China. B) Great Britain. C) the United States. D) the Soviet Union.
A) put the first American in space. B) prove that the moon is solid. C) establish a permanent colony on the moon. 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) Explorer 1. C) the Eagle. D) the moon.
A) the Apollo program B) NASA C) the space race D) the International Space Station
A) vacuum B) velocity C) thrust D) rover
A) John Glenn B) Buzz Aldrin C) Neil Armstrong D) Robert Goddard
A) space stations B) space shuttles C) satellites D) rovers
A) False B) True
A) True B) False
A) True B) False
A) False B) True
A) space station B) space shuttle C) space probe D) rovers
A) space station B) space probe C) space shuttle D) rovers
A) space station B) space shuttle C) rovers D) space probe
A) space station B) rovers C) space probe D) space shuttle ![]()
A) space station B) rover C) space shuttle D) space probe ![]()
A) space station B) space shuttle C) rover D) space probe ![]()
A) space shuttle B) rover C) space probe D) space station ![]()
A) space shuttle B) space probe C) space station D) rover
A) True B) False |