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