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