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