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