1st Semester Final: 7th Grade

Front

To navigate across open ocean, the Chinese invented a device based on

Back

magnets

Front

Compared to a Roman-style arch, what was the advantage of the Chinese segmental arch?

Back

It could be wider and flatter.

Front

All over China by the 700s, the popularity of one drink led to the opening of

Back

tea houses.

Front

When the Chinese already had iron, why did they develop a way to make steel?

Back

Steel is stronger than iron.

Front

Why did Chinese alchemists warn people to stay away from the powder they made with saltpeter?

Back

It was likely to explode.

Front

Which Chinese invention led to a reduction in the use of crossbows, swords, and spears in warfare?

Back

gunpowder

Front

How did the Chinese first use rockets?

Back

to send up fireworks

Front

Which invention did the Chinese use when making game cards in the 9th century?

Back

woodblock printing

Front

Why did many ancient Chinese steam the clothing of someone who was sick?

Back

to prevent the spread of infection

Front

To inoculate a person against smallpox, Chinese doctors rubbed a powder into the skin. How did the powder work?

Back

It signaled the immune system to fight the disease.