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