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