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