Magnetic CompassD’aiyraPhillips Jose Alatorre

MAGNETIC COMPASS

D’aiyra Phillips Jose Alatorre

WHAT?

This compass is used to show Earth’s magnetic field so it can show direction.The compass was invented NOT discovered.

WHEN

• Invented no later than the Han Period, greatly improved by the Tang.

IMPORTANCE

• A compass made it possible to find direction more accurately than ever before.• Explorers all around the world used the

compass to find direction.

HOW ABOUT TODAY?

Multiple Choice Question

• This instrument , which uses the Earth’s magnetic field to indicate direction , revolutionized travel. What instrument , invented during the Tang Dynasty , is described above?• A. the compass C. the sextant• B. the wind sail D. the magnetic battery