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