A) thrust. B) an action force. C) escape velocity. D) velocity.
A) 1971. B) 1961. C) 1957. D) 1969.
A) space station B) rover C) space probe D) space shuttle
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) land astronauts on the moon. D) put the first American in space.
A) it can be reused after returning to Earth. B) the total weight of the rocket is reduced as the rocket rises. 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) carry out experiments in space. C) take photos and readings of other planets in the solar system. D) show that different countries can work together.
A) the moon. B) the Eagle. C) a rover. D) Explorer 1.
A) NASA B) the Apollo program C) the International Space Station D) the space race
A) rover B) vacuum C) velocity D) thrust
A) Buzz Aldrin B) Robert Goddard C) Neil Armstrong D) John Glenn
A) rovers B) space stations C) satellites D) space shuttles
A) False B) True
A) False B) True
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) rovers B) space shuttle C) space probe D) space station
A) space shuttle B) space probe C) rovers D) space station
A) rover B) space probe C) space station D) space shuttle
A) rover B) space station C) space shuttle D) space probe
A) space probe B) space shuttle C) space station D) rover
A) space station B) space probe C) space shuttle D) rover
A) False B) True |