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Vocabulary Cards Get out nine flash cards Fold all of your cards in half On the front, write the word On the back, write what it is used for on one side and draw a very BASIC illustration on the other Advances in technology and Renaissance ideas led to an era of global exploration. New technologies include: Cannon A piece of artillery that uses gunpowder to launch a projectile. Telescope An instrument that aids in the observation of far away objects Magnetic Compass A navigational instrument that shows directions Astrolabe An instrument used by navigators and astronomers to determine latitude, longitude, and time of day based on the position of the sun and stars. Lateen Sail A triangular sail that was important to navigation. It increased the potential of a sailing ship. Frigate A warship Galleon A large, multi-decked sailing ship Caravel A small, light weight, high speed sailing ship. Henry the Navigator Sent many sailing expeditions down Africa’s west coast. Patron of explorers. Expeditions were sent to create muchneeded maps of the West African coast, to defeat the Muslims, to spread Christianity, and to establish trade routes. Started the first school for oceanic navigation. WRITE RACE the following question: Out of all the navigational technologies we discussed today, which do you think was the MOST significant? DISCUSS Discuss with your group what you chose. Be sure to argue your point and state why.