A) escape velocity. B) an action force. C) thrust. D) velocity.
A) 1957. B) 1961. C) 1971. D) 1969.
A) space probe B) rover C) space shuttle D) space station
A) China. B) the United States. C) the Soviet Union. D) Great Britain.
A) prove that the moon is solid. B) establish a permanent colony on the moon. C) put the first American in space. D) land astronauts on the moon.
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) carry out experiments in space. B) take photos and readings of other planets in the solar system. C) use solar panels to produce electricity for people on Earth. D) show that different countries can work together.
A) the Eagle. B) Explorer 1. C) the moon. D) a rover.
A) the space race B) the International Space Station C) NASA D) the Apollo program
A) thrust B) velocity C) rover D) vacuum
A) Robert Goddard B) John Glenn C) Neil Armstrong D) Buzz Aldrin
A) satellites B) rovers C) space shuttles D) space stations
A) False B) True
A) True B) False
A) False B) True
A) False B) True
A) space shuttle B) rovers C) space station D) space probe
A) space probe B) space shuttle C) rovers D) space station
A) space probe B) rovers C) space shuttle D) space station
A) rovers B) space shuttle C) space probe D) space station ![]()
A) rover B) space shuttle C) space station D) space probe ![]()
A) rover B) space station C) space probe D) space shuttle ![]()
A) space probe B) rover C) space shuttle D) space station ![]()
A) rover B) space station C) space shuttle D) space probe
A) False B) True |