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