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