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