A) velocity. B) an action force. C) thrust. D) escape velocity.
A) 1957. B) 1969. C) 1971. D) 1961.
A) space shuttle B) space station C) space probe D) rover
A) Great Britain. B) the Soviet Union. C) the United States. D) China.
A) prove that the moon is solid. B) land astronauts on the moon. C) establish a permanent colony on the moon. D) put the first American in space.
A) it can carry humans into space. B) the total weight of the rocket is reduced as the rocket rises. 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 moon. B) a rover. C) the Eagle. D) Explorer 1.
A) the space race B) NASA C) the Apollo program D) the International Space Station
A) vacuum B) thrust C) velocity D) rover
A) Neil Armstrong B) John Glenn C) Robert Goddard D) Buzz Aldrin
A) satellites B) space stations C) rovers D) space shuttles
A) True B) False
A) False B) True
A) False B) True
A) False B) True
A) space probe B) rovers C) space shuttle D) space station
A) rovers B) space shuttle C) space station D) space probe
A) space probe B) space shuttle C) rovers D) space station
A) space station B) rovers C) space probe D) space shuttle
A) space shuttle B) space station C) rover D) space probe
A) rover B) space probe C) space shuttle D) space station
A) space shuttle B) space probe C) space station D) rover
A) space shuttle B) space station C) rover D) space probe
A) False B) True |