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