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