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