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