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