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