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