A) thrust. B) an action force. C) velocity. D) escape velocity.
A) 1971. B) 1957. C) 1969. D) 1961.
A) space station B) space shuttle C) rover D) space probe
A) the Soviet Union. B) China. C) Great Britain. D) the United States.
A) land astronauts on the moon. B) put the first American in space. C) establish a permanent colony on the moon. D) prove that the moon is solid.
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) 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) the moon. B) a rover. C) the Eagle. D) Explorer 1.
A) the Apollo program B) NASA C) the International Space Station D) the space race
A) thrust B) velocity C) vacuum D) rover
A) Neil Armstrong B) John Glenn C) Robert Goddard D) Buzz Aldrin
A) space shuttles B) space stations C) satellites D) rovers
A) False B) True
A) False B) True
A) True B) False
A) True B) False
A) space probe B) space station C) space shuttle D) rovers
A) space probe B) rovers C) space station D) space shuttle
A) space probe B) rovers C) space station D) space shuttle
A) space shuttle B) rovers C) space probe D) space station
A) space shuttle B) space probe C) rover D) space station
A) space probe B) space shuttle C) rover D) space station
A) space shuttle B) rover C) space probe D) space station
A) rover B) space probe C) space station D) space shuttle
A) True B) False |