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