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