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