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