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