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