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