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