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