A) velocity. B) thrust. C) an action force. D) escape velocity.
A) 1971. B) 1957. C) 1969. D) 1961.
A) space shuttle B) space probe C) space station D) rover
A) the Soviet Union. B) Great Britain. C) the United States. D) China.
A) establish a permanent colony on the moon. B) put the first American in space. 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) the total weight of the rocket is reduced as the rocket rises. C) it can be reused after returning to Earth. D) it can carry humans into space.
A) use solar panels to produce electricity for people on Earth. B) take photos and readings of other planets in the solar system. C) show that different countries can work together. D) carry out experiments in space.
A) a rover. B) the Eagle. C) the moon. D) Explorer 1.
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) Robert Goddard C) Buzz Aldrin D) Neil Armstrong
A) space stations B) rovers C) satellites D) space shuttles
A) True B) False
A) True B) False
A) True B) False
A) True B) False
A) space station B) rovers C) space shuttle D) space probe
A) rovers B) space station C) space shuttle D) space probe
A) space probe B) rovers C) space station D) space shuttle
A) space station B) rovers C) space probe D) space shuttle ![]()
A) space station B) rover C) space probe D) space shuttle ![]()
A) space shuttle B) rover C) space station D) space probe ![]()
A) space probe B) space shuttle C) rover D) space station ![]()
A) space probe B) space shuttle C) rover D) space station
A) False B) True |