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