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