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