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