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