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