Han Achievements

The seismograph is a machine that detects

• floods

• earthquakes

• tsunamis

• brine that's underground

Why was it important for Han emperors to know when an earthquake happened?

• So that they could keep an accurate history.

• So that they could rush food supplies and soldiers to aid the affected villagers.

• So that they would know if part of the Great Wall collapsed.

The tip of the lodestone on the Han magnetic compass always points

• north

• east

• south

• west

_______ was an important material that the Han became skilled at crafting into a variety of tools and weapons.

• bronze

• gold

• iron

• copper

All of the following were uses of the kite in ancient Chinese warfare, EXCEPT

• measure distances

• send messages

• scare enemies

• carry gunpowder

Which statement is FALSE about medicine during the Han dynasty?

• Hans believed illness occurred when yin and yang were out of balance.

• They developed acupuncture, which can be used to treat illnesses.

• Han doctors discovered that blood circulates from the head.