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