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