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