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