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