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