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