A) velocity. B) escape velocity. C) thrust. D) an action force.
A) 1971. B) 1961. C) 1969. D) 1957.
A) space probe B) rover C) space station D) space shuttle
A) China. B) the Soviet Union. C) the United States. D) Great Britain.
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 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) Explorer 1. B) a rover. C) the Eagle. D) the moon.
A) the Apollo program B) NASA C) the space race D) the International Space Station
A) velocity B) vacuum C) thrust D) rover
A) Neil Armstrong B) Buzz Aldrin C) John Glenn D) Robert Goddard
A) space shuttles B) satellites C) space stations D) rovers
A) False B) True
A) False B) True
A) True B) False
A) True B) False
A) rovers B) space shuttle C) space station D) space probe
A) space shuttle B) space station C) rovers D) space probe
A) rovers B) space probe C) space shuttle D) space station
A) space station B) rovers C) space shuttle D) space probe
A) space probe B) space station C) rover D) space shuttle
A) space shuttle B) space station C) space probe D) rover
A) rover B) space station C) space shuttle D) space probe
A) rover B) space probe C) space shuttle D) space station
A) True B) False |