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