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