TCI U4S2: Astrolabes

What is an astrolabe?

• A device that guides sailors using landmarks in the open sea

• A rotating pointer used for navigation

• A tool used to measure the angle of a star above the horizon

• A circular piece of metal with marks around its edges

Why did explorers use astrolabes?

• To navigate accurately during the day and night

• To find their position in the open sea

• All of the above

• To measure the latitude of their ship

How did sailors measure the latitude of their ship using an astrolabe?

• By rotating the bar attached to the astrolabe

• By aligning the astrolabe with the North Star

• By measuring the distance from the equator

• By measuring the angle of the star above the horizon

What was the purpose of the European Age of Exploration?

• To find new trade routes to Asia

• To discover new lands and territories

• To establish colonies and expand empires

• All of the above

Which statement is true about astrolabes?

• Astrolabes are rectangular pieces of metal

• Astrolabes allow explorers to successfully navigate during the day and night

• Astrolabes guide sailors using landmarks in the open sea

• Astrolabes always measure from the sun

What did explorers need to navigate accurately across the Atlantic?

• Compasses

• Maps

• Landmarks

• Astrolabes

Which of the following is NOT a true fact about astrolabes?

• Astrolabes always measure from the sun

• Astrolabes are circular pieces of metal

• Astrolabes have a rotating pointer

• Astrolabes guide sailors using landmarks in the open sea

What did sailors use astrolabes to measure?

• The latitude of their ship

• The distance from the equator

• The longitude of their ship

• The depth of the ocean

What enabled explorers to sail accurately by day or night?

• Astrolabes

• Maps

• Compasses

• Landmarks

What was the main goal of European explorers during the Age of Exploration?

• To discover new lands and territories

• To study underwater archaeology

• To find new trade routes to Asia

• To establish colonies and expand empires