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