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