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