A) thrust. B) velocity. C) escape velocity. D) an action force.
A) 1957. B) 1969. C) 1971. D) 1961.
A) space shuttle B) space probe C) space station D) rover
A) the United States. B) China. C) the Soviet Union. D) Great Britain.
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) it requires less fuel to overcome gravity at the time of launch. B) it can carry humans into space. C) the total weight of the rocket is reduced as the rocket rises. 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) a rover. B) the moon. C) the Eagle. D) Explorer 1.
A) the space race B) NASA C) the International Space Station D) the Apollo program
A) thrust B) vacuum C) rover D) velocity
A) Neil Armstrong B) John Glenn C) Robert Goddard D) Buzz Aldrin
A) rovers B) satellites C) space stations D) space shuttles
A) False B) True
A) True B) False
A) True B) False
A) False B) True
A) space station B) rovers C) space shuttle D) space probe
A) space station B) rovers C) space probe D) space shuttle
A) space probe B) space shuttle C) space station D) rovers
A) space station B) space probe C) space shuttle D) rovers
A) space station B) space probe C) rover D) space shuttle
A) space station B) space probe C) rover D) space shuttle
A) rover B) space probe C) space station D) space shuttle
A) space probe B) rover C) space station D) space shuttle
A) True B) False |