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