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