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