A) escape velocity. B) an action force. C) thrust. D) velocity.
A) 1969. B) 1961. C) 1971. D) 1957.
A) rover B) space probe C) space shuttle D) space station
A) Great Britain. B) the Soviet Union. C) China. D) the United States.
A) prove that the moon is solid. B) land astronauts on the moon. C) establish a permanent colony 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) 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) the Eagle. B) the moon. C) a rover. D) Explorer 1.
A) the space race B) the Apollo program C) the International Space Station D) NASA
A) vacuum B) rover C) thrust D) velocity
A) Buzz Aldrin B) Neil Armstrong C) John Glenn D) Robert Goddard
A) space stations B) space shuttles C) satellites D) rovers
A) True B) False
A) False B) True
A) True B) False
A) True B) False
A) space shuttle B) space probe C) rovers D) space station
A) space shuttle B) space probe C) rovers D) space station
A) space station B) space shuttle C) rovers D) space probe
A) space probe B) space shuttle C) space station D) rovers ![]()
A) space station B) space probe C) space shuttle D) rover ![]()
A) space probe B) rover C) space station D) space shuttle ![]()
A) rover B) space station C) space shuttle D) space probe ![]()
A) space shuttle B) space station C) rover D) space probe
A) True B) False |