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