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