A) thrust. B) an action force. C) escape velocity. D) velocity.
A) 1957. B) 1969. C) 1961. D) 1971.
A) rover B) space shuttle C) space station D) space probe
A) China. B) the Soviet Union. C) Great Britain. D) the United States.
A) establish a permanent colony on the moon. B) prove that the moon is solid. C) land astronauts on the moon. D) put the first American in space.
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) show that different countries can work together. C) carry out experiments in space. D) use solar panels to produce electricity for people on Earth.
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) vacuum B) rover C) velocity D) thrust
A) John Glenn B) Buzz Aldrin C) Neil Armstrong D) Robert Goddard
A) rovers B) satellites C) space shuttles D) space stations
A) False B) True
A) True B) False
A) False B) True
A) True B) False
A) space station B) rovers C) space shuttle D) space probe
A) rovers B) space probe C) space station D) space shuttle
A) space shuttle B) space station C) space probe D) rovers
A) space shuttle B) rovers C) space probe D) space station
A) space shuttle B) rover C) space probe D) space station
A) rover B) space station C) space probe D) space shuttle
A) space probe B) rover C) space station D) space shuttle
A) rover B) space station C) space shuttle D) space probe
A) True B) False |