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