A) thrust. B) velocity. C) an action force. D) escape velocity.
A) 1961. B) 1957. C) 1971. D) 1969.
A) space shuttle B) rover C) space station D) space probe
A) the United States. B) the Soviet Union. C) China. D) Great Britain.
A) establish a permanent colony on the moon. B) land astronauts on the moon. C) prove that the moon is solid. D) put the first American in space.
A) it can carry humans into space. B) it requires less fuel to overcome gravity at the time of launch. C) the total weight of the rocket is reduced as the rocket rises. D) it can be reused after returning to Earth.
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) Explorer 1. B) a rover. C) the moon. D) the Eagle.
A) the space race B) the International Space Station C) NASA D) the Apollo program
A) rover B) vacuum C) thrust D) velocity
A) Robert Goddard B) John Glenn C) Buzz Aldrin D) Neil Armstrong
A) rovers B) space stations C) space shuttles D) satellites
A) False B) True
A) True B) False
A) False B) True
A) True B) False
A) space probe B) rovers C) space shuttle D) space station
A) space station B) space probe C) rovers D) space shuttle
A) rovers B) space station C) space shuttle D) space probe
A) space station B) rovers C) space probe D) space shuttle ![]()
A) space shuttle B) rover C) space probe D) space station ![]()
A) space probe B) rover C) space station D) space shuttle ![]()
A) rover B) space probe C) space shuttle D) space station ![]()
A) rover B) space shuttle C) space probe D) space station
A) False B) True |