A) velocity. B) an action force. C) thrust. D) escape velocity.
A) 1969. B) 1957. C) 1961. D) 1971.
A) rover B) space station C) space probe D) space shuttle
A) the United States. B) the Soviet Union. C) China. D) Great Britain.
A) establish a permanent colony on the moon. B) prove that the moon is solid. C) put the first American in space. D) land astronauts on the moon.
A) it requires less fuel to overcome gravity at the time of launch. B) it can carry humans into space. 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) use solar panels to produce electricity for people on Earth. D) carry out experiments in space.
A) Explorer 1. B) a rover. C) the Eagle. D) the moon.
A) NASA B) the International Space Station C) the space race D) the Apollo program
A) velocity B) rover C) vacuum D) thrust
A) Buzz Aldrin B) John Glenn C) Robert Goddard D) Neil Armstrong
A) space stations B) satellites C) space shuttles D) rovers
A) True B) False
A) False B) True
A) False B) True
A) False B) True
A) space station B) space shuttle C) rovers D) space probe
A) space probe B) rovers C) space station D) space shuttle
A) space shuttle B) rovers C) space station D) space probe
A) space station B) space probe C) space shuttle D) rovers
A) space probe B) rover C) space station D) space shuttle
A) rover B) space shuttle C) space station D) space probe
A) space probe B) space station C) rover D) space shuttle
A) space shuttle B) space station C) space probe D) rover
A) False B) True |