A) an action force. B) escape velocity. C) velocity. D) thrust.
A) 1969. B) 1971. C) 1957. D) 1961.
A) space probe B) space shuttle C) rover D) space station
A) the Soviet Union. B) the United States. C) Great Britain. 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) 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) Explorer 1. B) a rover. C) the moon. D) the Eagle.
A) NASA B) the Apollo program C) the International Space Station D) the space race
A) vacuum B) rover C) thrust D) velocity
A) Neil Armstrong B) Buzz Aldrin C) Robert Goddard D) John Glenn
A) space stations B) rovers C) space shuttles D) satellites
A) True B) False
A) False B) True
A) False B) True
A) False B) True
A) space station B) space probe C) space shuttle D) rovers
A) space shuttle B) space probe C) space station D) rovers
A) space station B) rovers C) space probe D) space shuttle
A) space probe B) space shuttle C) rovers D) space station
A) space probe B) rover C) space shuttle D) space station
A) space station B) space probe C) space shuttle D) rover
A) rover B) space station C) space shuttle D) space probe
A) space shuttle B) space probe C) space station D) rover
A) False B) True |