A) thrust. B) an action force. C) escape velocity. D) velocity.
A) 1971. B) 1961. C) 1969. D) 1957.
A) space station B) space shuttle C) space probe D) rover
A) China. B) the United States. C) Great Britain. D) the Soviet Union.
A) establish a permanent colony on the moon. B) prove that the moon is solid. 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 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) use solar panels to produce electricity for people on Earth. D) show that different countries can work together.
A) a rover. B) the Eagle. C) the moon. D) Explorer 1.
A) the space race B) the International Space Station C) the Apollo program D) NASA
A) vacuum B) rover C) thrust D) velocity
A) Robert Goddard B) John Glenn C) Buzz Aldrin D) Neil Armstrong
A) space stations B) rovers C) satellites D) space shuttles
A) False B) True
A) True B) False
A) False B) True
A) True B) False
A) space shuttle B) space probe C) rovers D) space station
A) space station B) space probe C) rovers D) space shuttle
A) space station B) space probe C) space shuttle D) rovers
A) rovers B) space station C) space probe D) space shuttle
A) space station B) space probe C) space shuttle D) rover
A) space probe B) space shuttle C) rover D) space station
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 |