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