A) velocity. B) an action force. C) thrust. D) escape velocity.
A) 1969. B) 1971. C) 1961. D) 1957.
A) space shuttle B) space station C) rover D) space probe
A) Great Britain. B) China. C) the United States. D) the Soviet Union.
A) prove that the moon is solid. B) establish a permanent colony on the moon. C) put the first American in space. D) land astronauts 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) 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) the moon. B) a rover. C) the Eagle. D) Explorer 1.
A) the space race B) the Apollo program C) the International Space Station D) NASA
A) velocity B) thrust C) vacuum D) rover
A) Buzz Aldrin B) Neil Armstrong C) John Glenn D) Robert Goddard
A) rovers B) space stations C) space shuttles D) satellites
A) False B) True
A) True B) False
A) False B) True
A) True B) False
A) space shuttle B) space station C) rovers D) space probe
A) space station B) space probe C) space shuttle D) rovers
A) space shuttle B) space probe C) space station D) rovers
A) space probe B) rovers C) space shuttle D) space station
A) space shuttle B) space probe C) rover D) space station
A) space probe B) rover C) space station D) space shuttle
A) space shuttle B) space probe C) space station D) rover
A) rover B) space probe C) space shuttle D) space station
A) False B) True |