Unit 5 Lesson 21.4 Everyday Objects

When were game cards invented in China?

• 5th century
• 14th century
• 8th century
• 11th century

What was used to make game cards in ancient China?

• Plastic
• Wood
• Metal
• Glass

What was the purpose of the designs on the backs of game cards?

• To make them more expensive
• To make them more educational
• To make them more durable
• To make them more attractive

What was the only form of currency before paper money was invented?

• Paper
• Coins
• Gold
• Silver

When did Song printers start using multiple wood blocks to print each bill?

• 1407
• 1207
• 1107
• 1307

When was the first mechanical clock developed in China?

• 8th century
• 5th century
• 11th century
• 14th century

What made the wheel of the first mechanical clock in China turn?

• Steam
• Electricity
• Wind
• Dripping water

What sound did the drums make every quarter hour on the first mechanical clock in China?

• Tick
• Chime
• Whistle
• Boom

When was the mechanical clock improved in China during the Song dynasty?

• 1272
• 1092
• 1002
• 1182

What was the main improvement of the mechanical clock during the Song dynasty?

• It was more durable
• It was smaller
• It was more complex and accurate
• It was more colorful