A) velocity. B) thrust. C) escape velocity. D) an action force.
A) 1961. B) 1957. C) 1971. D) 1969.
A) rover B) space probe C) space shuttle D) space station
A) Great Britain. B) China. C) the United States. D) the Soviet Union.
A) prove that the moon is solid. B) establish a permanent colony on the moon. 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) it can be reused after returning to Earth. D) the total weight of the rocket is reduced as the rocket rises.
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) a rover. B) the moon. C) the Eagle. D) Explorer 1.
A) the Apollo program B) NASA C) the International Space Station D) the space race
A) vacuum B) thrust C) velocity D) rover
A) Robert Goddard B) Neil Armstrong C) John Glenn D) Buzz Aldrin
A) space shuttles B) space stations C) satellites D) rovers
A) True B) False
A) True B) False
A) False B) True
A) False B) True
A) space station B) space probe C) rovers D) space shuttle
A) space shuttle B) rovers C) space station D) space probe
A) space shuttle B) rovers C) space probe D) space station
A) space shuttle B) space probe C) rovers D) space station
A) rover B) space shuttle C) space probe D) space station
A) space probe B) rover C) space station D) space shuttle
A) space shuttle B) space station C) rover D) space probe
A) space station B) space shuttle C) rover D) space probe
A) True B) False |