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