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