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