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