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