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