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