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