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