A) an action force. B) velocity. C) escape velocity. D) thrust.
A) 1969. B) 1961. C) 1957. D) 1971.
A) space station B) space shuttle C) rover D) space probe
A) the Soviet Union. B) the United States. C) Great Britain. D) China.
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) 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) take photos and readings of other planets in the solar system. B) use solar panels to produce electricity for people on Earth. C) show that different countries can work together. D) carry out experiments in space.
A) the moon. B) a rover. C) the Eagle. D) Explorer 1.
A) the International Space Station B) NASA C) the space race D) the Apollo program
A) rover B) thrust C) vacuum D) velocity
A) John Glenn B) Neil Armstrong C) Buzz Aldrin D) Robert Goddard
A) space stations B) satellites C) rovers D) space shuttles
A) True B) False
A) False B) True
A) True B) False
A) True B) False
A) space shuttle B) space station C) space probe D) rovers
A) space shuttle B) space probe C) space station D) rovers
A) rovers B) space station C) space shuttle D) space probe
A) space shuttle B) space probe C) rovers D) space station ![]()
A) space shuttle B) space probe C) space station D) rover ![]()
A) space probe B) space shuttle C) space station D) rover ![]()
A) space station B) space probe C) space shuttle D) rover ![]()
A) space probe B) space station C) space shuttle D) rover
A) True B) False |