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