A) thrust. B) an action force. C) escape velocity. D) velocity.
A) 1961. B) 1957. C) 1969. D) 1971.
A) space station B) space shuttle C) rover D) space probe
A) China. B) Great Britain. C) the Soviet Union. 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 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) 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 Eagle. B) a rover. C) the moon. D) Explorer 1.
A) the International Space Station B) the Apollo program C) NASA D) the space race
A) vacuum B) rover C) velocity D) thrust
A) John Glenn B) Buzz Aldrin C) Robert Goddard D) Neil Armstrong
A) space shuttles B) rovers C) satellites D) space stations
A) True B) False
A) True B) False
A) True B) False
A) False B) True
A) space probe B) space station C) space shuttle D) rovers
A) space station B) space probe C) rovers D) space shuttle
A) space shuttle B) space station C) space probe D) rovers
A) space station B) space shuttle C) space probe D) rovers
A) space probe B) space station C) space shuttle D) rover
A) space probe B) space shuttle C) space station D) rover
A) rover B) space station C) space probe D) space shuttle
A) space shuttle B) rover C) space probe D) space station
A) False B) True |