A) an action force. B) escape velocity. C) thrust. D) velocity.
A) 1961. B) 1969. C) 1957. D) 1971.
A) space station B) rover C) space probe D) space shuttle
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) prove that the moon is solid. D) land astronauts 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 requires less fuel to overcome gravity at the time of launch. D) it can carry humans into space.
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 Eagle. B) a rover. C) Explorer 1. D) the moon.
A) the International Space Station B) NASA C) the Apollo program D) the space race
A) thrust B) velocity C) rover D) vacuum
A) John Glenn B) Robert Goddard C) Neil Armstrong D) Buzz Aldrin
A) space stations B) rovers C) space shuttles D) satellites
A) False B) True
A) True B) False
A) False B) True
A) True B) False
A) space probe B) space station C) rovers D) space shuttle
A) space station B) space probe C) rovers D) space shuttle
A) space shuttle B) space probe C) rovers D) space station
A) space probe B) space shuttle C) rovers D) space station
A) rover B) space station C) space shuttle D) space probe
A) space station B) space probe C) rover D) space shuttle
A) rover B) space shuttle C) space probe D) space station
A) space station B) space shuttle C) space probe D) rover
A) False B) True |