Exploring Early Navigation and Ships

What tool did early explorers use to determine their direction at sea?

• Telescope

• Compass

• Sundial

• Hourglass

What type of ship was invented for faster travel by the Portuguese?

• Clipper
• Frigate
• Caravel
• Galleon

What instrument did sailors use to measure the angle between the horizon and a celestial body?

• Sextant

• Barometer

• Thermometer

• Microscope

Which navigation tool helped sailors determine their latitude by measuring the sun's noon altitude?

• Astrolabe

• Chronometer

• Anemometer

• Hygrometer

What was the primary purpose of the cross-staff in early exploration?

• To measure wind speed

• To measure the height of stars

• To measure the depth of water

• To measure the speed of the ship

Which of the following materials was commonly used for building the hulls of ships during early exploration?

• Aluminum

• Wood

• Plastic

• Concrete

Who was the Portuguese ruler who created a school of navigation?

• Emperor Charles V
• Queen Isabella of Spain
• King John of Portugal
• Prince Henry the Navigator

What type of sail was commonly used on ships during early exploration to allow for better maneuverability?

• Square sail

• Lateen sail

• Spinnaker

• Gaff sail

What are 2 disadvantage of early exploration?

• Increased trade opportunities.
• Improvement of navigation techniques.
• Cultural exchange with indigenous populations.
• Lack of proper maps and disease

What is a reason that people started exploring in the 1400's?

• Desire for new trade routes and access to valuable goods.
• Desire to conquer new lands for glory.
• Need to escape from political conflicts at home.
• Interest in spreading religious beliefs.