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