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