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