A) thrust. B) velocity. C) an action force. D) escape velocity.
A) 1971. B) 1961. C) 1969. D) 1957.
A) space station B) rover C) space probe D) space shuttle
A) the United States. B) China. C) the Soviet Union. D) Great Britain.
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 can carry humans into space. B) it requires less fuel to overcome gravity at the time of launch. C) it can be reused after returning to Earth. D) the total weight of the rocket is reduced as the rocket rises.
A) show that different countries can work together. B) take photos and readings of other planets in the solar system. C) carry out experiments in space. D) use solar panels to produce electricity for people on Earth.
A) a rover. B) Explorer 1. C) the Eagle. D) the moon.
A) NASA B) the Apollo program C) the International Space Station D) the space race
A) rover B) thrust C) vacuum D) velocity
A) Neil Armstrong B) Robert Goddard C) John Glenn D) Buzz Aldrin
A) space stations B) satellites C) rovers D) space shuttles
A) True B) False
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 shuttle B) space probe C) space station D) rovers
A) space shuttle B) space station C) space probe D) rovers
A) space probe B) space station C) rovers D) space shuttle
A) space shuttle B) space probe C) rover D) space station
A) rover B) space probe C) space station D) space shuttle
A) rover B) space station C) space probe D) space shuttle
A) rover B) space shuttle C) space probe D) space station
A) True B) False |