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