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