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