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