A) escape velocity. B) thrust. C) an action force. D) velocity.
A) 1969. B) 1961. C) 1971. D) 1957.
A) rover B) space probe C) space shuttle D) space station
A) China. B) the Soviet Union. C) Great Britain. D) the United States.
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) 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) Explorer 1. B) the moon. C) a rover. D) the Eagle.
A) NASA B) the space race C) the International Space Station D) the Apollo program
A) rover B) thrust C) vacuum D) velocity
A) Neil Armstrong B) Buzz Aldrin C) Robert Goddard D) John Glenn
A) rovers B) space shuttles C) satellites D) space stations
A) False B) True
A) False B) True
A) False B) True
A) False B) True
A) space probe B) space shuttle C) space station D) rovers
A) space station B) rovers C) space shuttle D) space probe
A) rovers B) space shuttle C) space station D) space probe
A) rovers B) space station C) space probe D) space shuttle
A) space probe B) rover C) space shuttle D) space station
A) space probe B) space station C) space shuttle D) rover
A) space probe B) space station C) rover D) space shuttle
A) rover B) space shuttle C) space probe D) space station
A) True B) False |