A) an action force. B) thrust. C) velocity. D) escape velocity.
A) 1957. B) 1969. C) 1961. D) 1971.
A) space shuttle B) space station C) rover D) space probe
A) China. B) Great Britain. C) the United States. D) the Soviet Union.
A) prove that the moon is solid. B) establish a permanent colony on the moon. C) land astronauts on the moon. D) put the first American in space.
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) use solar panels to produce electricity for people on Earth. C) show that different countries can work together. D) carry out experiments in space.
A) the moon. B) a rover. C) the Eagle. D) Explorer 1.
A) the space race B) the Apollo program C) the International Space Station D) NASA
A) thrust B) rover C) velocity D) vacuum
A) John Glenn B) Robert Goddard C) Neil Armstrong D) Buzz Aldrin
A) space shuttles B) rovers C) space stations D) satellites
A) True B) False
A) True B) False
A) False B) True
A) True B) False
A) space shuttle B) space probe C) rovers D) space station
A) space probe B) space shuttle C) rovers D) space station
A) space station B) space probe C) rovers D) space shuttle
A) rovers B) space station C) space shuttle D) space probe
A) space shuttle B) space station C) rover D) space probe
A) rover B) space probe C) space shuttle D) space station
A) space probe B) space shuttle C) rover D) space station
A) space probe B) space station C) rover D) space shuttle
A) True B) False |