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