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