A) escape velocity. B) thrust. C) an action force. D) velocity.
A) 1971. B) 1957. C) 1961. D) 1969.
A) space shuttle B) space probe C) rover D) space station
A) China. B) the United States. C) Great Britain. D) the Soviet Union.
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) the total weight of the rocket is reduced as the rocket rises. B) it can be reused after returning to Earth. C) it can carry humans into space. D) it requires less fuel to overcome gravity at the time of launch.
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) Explorer 1. B) the Eagle. C) the moon. D) a rover.
A) the space race B) the Apollo program C) the International Space Station D) NASA
A) velocity B) vacuum C) rover D) thrust
A) Robert Goddard B) Buzz Aldrin C) Neil Armstrong D) John Glenn
A) rovers B) satellites C) space shuttles D) space stations
A) True B) False
A) True B) False
A) False B) True
A) False B) True
A) space probe B) space station C) space shuttle D) rovers
A) space shuttle B) rovers C) space probe D) space station
A) rovers B) space station C) space shuttle D) space probe
A) space shuttle B) rovers C) space probe D) space station
A) rover B) space station C) space probe D) space shuttle
A) space shuttle B) space station C) space probe D) rover
A) space probe B) space station C) rover D) space shuttle
A) space station B) space shuttle C) space probe D) rover
A) True B) False |