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