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