A) escape velocity. B) velocity. C) thrust. D) an action force.
A) 1961. B) 1957. C) 1971. D) 1969.
A) space station B) space shuttle C) rover D) space probe
A) the United States. B) Great Britain. C) the Soviet Union. D) China.
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 can be reused after returning to Earth. B) the total weight of the rocket is reduced as the rocket rises. C) it can carry humans into space. 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) carry out experiments in space. D) take photos and readings of other planets in the solar system.
A) the Eagle. B) the moon. C) Explorer 1. D) a rover.
A) NASA B) the Apollo program C) the space race D) the International Space Station
A) thrust B) vacuum C) rover D) velocity
A) Robert Goddard B) Neil Armstrong C) John Glenn D) Buzz Aldrin
A) rovers B) space shuttles C) space stations D) satellites
A) False B) True
A) True B) False
A) False B) True
A) True B) False
A) space station B) rovers C) space shuttle D) space probe
A) space shuttle B) rovers C) space probe D) space station
A) space shuttle B) rovers C) space probe D) space station
A) rovers B) space shuttle C) space probe D) space station ![]()
A) space probe B) rover C) space shuttle D) space station ![]()
A) space shuttle B) space station C) rover D) space probe ![]()
A) space shuttle B) rover C) space probe D) space station ![]()
A) space shuttle B) space probe C) space station D) rover
A) True B) False |