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