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