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