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