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