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