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100

A natural fiber derived from the coat of various animals, primarily sheep.

What is wool?

100

This country is thought to have invented gunpowder, as well as soy sauce.

What is China?

100

What a grape becomes when it is dried.

What is a raisin?

100

The year Christopher Columbus made his first voyage to the New World.

What is 1492?

100

A 3-foot stick is equal to one of these.

What is a yard?

200

It is the most widely used natural fiber.

What is cotton?

200

Clement Ader created this type of sound system that used  two microphones feeding separate headphones.

What is stereo?

200

The original state of a pickle before it is brined.

What is a cucumber?

200

The American Declaration of Independence was adopted in this year.

What is 1776?

200

If the doctor says you have a fever with a body temperature of 39, they’re using this scale.

What is celsius?

300

A natural fiber produced by a certain type of worm, it was first produced in China over 5,000 years ago.

What is silk?

300

The German Heinkel He-280 of 1941 was the first jet fighter to have one of these in case of emergency.

What is an ejection seat?

300

When it is dried, this fruit shrivels up to become a prune.

What is a plum?

300

The decade when President John F. Kennedy was shot.

What is the 1960s?

300

In London, the unit of measurement used to buy petrol.

What is a liter?

400

The tartan-style patterns in clothing such as the kilt were traditionally used to identify individual clans in this country.

What is Scotland?

400

He first determined that energy equals mass times the velocity of light square.

Who is Albert Einstein?

400

You get this by adding specialized bacteria to warmed milk, separating out the curd clumps, and then shaping & aging the curd.

What is cheese?

400

The year man first landed on the moon.

What is 1969?

400

Jewelers measure diamonds in this small unit, equal to 200 milligrams.

What is a carat?

500

a synthetic fabric developed in the 1940s, made from chemicals derived from petroleum.

What is polyester?

500

In 1965 Stephanie Kwolek developed this material used in bulletproof vests.

What is kevlar?

500

Make this spread by roasting a legume and grinding it into a paste.

What is peanut butter?

500

Reaganomics, MTV, and the fall of the Berlin Wall all took place in this decade.

What is the 1980s?

500

Farmers measure large quantities of wheat or corn in this unit.

What is a bushel?