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