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