A) velocity. B) thrust. C) an action force. D) escape velocity.
A) 1961. B) 1969. C) 1957. D) 1971.
A) space shuttle B) space probe C) space station D) rover
A) the Soviet Union. B) the United States. C) Great Britain. D) China.
A) land astronauts on the moon. B) prove that the moon is solid. C) establish a permanent colony on the moon. D) put the first American in space.
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) take photos and readings of other planets in the solar system. D) use solar panels to produce electricity for people on Earth.
A) a rover. B) Explorer 1. C) the Eagle. D) the moon.
A) NASA B) the space race C) the International Space Station D) the Apollo program
A) vacuum B) thrust C) velocity D) rover
A) Buzz Aldrin B) John Glenn C) Robert Goddard D) Neil Armstrong
A) space stations B) satellites C) space shuttles 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 probe B) rovers C) space shuttle D) space station
A) rovers B) space station C) space probe D) space shuttle ![]()
A) space shuttle B) rover C) space station D) space probe ![]()
A) space shuttle B) rover C) space probe D) space station ![]()
A) space shuttle B) space station C) rover D) space probe ![]()
A) space station B) space shuttle C) rover D) space probe
A) True B) False |