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