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