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