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