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