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