A) thrust. B) escape velocity. C) velocity. D) an action force.
A) 1957. B) 1969. C) 1961. D) 1971.
A) space station B) space shuttle C) space probe D) rover
A) the Soviet Union. B) the United States. C) Great Britain. D) China.
A) put the first American in space. B) land astronauts on the moon. C) establish a permanent colony on the moon. D) prove that the moon is solid.
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) 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) a rover. B) the moon. C) the Eagle. D) Explorer 1.
A) NASA B) the Apollo program C) the International Space Station D) the space race
A) velocity B) thrust C) vacuum D) rover
A) John Glenn B) Neil Armstrong C) Buzz Aldrin D) Robert Goddard
A) space stations B) satellites C) rovers D) space shuttles
A) True B) False
A) True B) False
A) False B) True
A) False B) True
A) space probe B) space shuttle C) rovers D) space station
A) rovers B) space shuttle C) space probe D) space station
A) rovers B) space station C) space shuttle D) space probe
A) space station B) rovers C) space probe D) space shuttle
A) space probe B) space station C) space shuttle D) rover
A) space probe B) space station C) rover D) space shuttle
A) space probe B) space station C) rover D) space shuttle
A) rover B) space probe C) space shuttle D) space station
A) True B) False |