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