A) an action force. B) velocity. C) thrust. D) escape velocity.
A) 1971. B) 1969. C) 1961. D) 1957.
A) space probe B) space shuttle C) rover D) space station
A) China. B) Great Britain. C) the United States. D) the Soviet Union.
A) land astronauts on the moon. B) establish a permanent colony on the moon. C) prove that the moon is solid. 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) 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 Eagle. B) Explorer 1. C) a rover. D) the moon.
A) the International Space Station B) the Apollo program C) NASA D) the space race
A) thrust B) rover C) velocity D) vacuum
A) Buzz Aldrin B) Neil Armstrong C) Robert Goddard D) John Glenn
A) space shuttles B) rovers C) satellites D) space stations
A) True B) False
A) False B) True
A) False B) True
A) False B) True
A) space shuttle B) rovers C) space station D) space probe
A) space shuttle B) rovers C) space station D) space probe
A) space station B) space probe C) space shuttle D) rovers
A) space probe B) space shuttle C) rovers D) space station
A) rover B) space probe C) space shuttle D) space station
A) space shuttle B) space probe C) rover D) space station
A) space probe B) space station C) rover D) space shuttle
A) rover B) space probe C) space shuttle D) space station
A) True B) False |