Early Agriculture
Inventions Before 1900
1900s and Beyond
Key Terms
Impact on Agriculture
100

What is a civilization?

A group of people who settle in one place.

100

Who invented the cotton gin in 1793?

Eli Whitney.

100

What machine combines the functions of a reaper and thresher?

The combine.

100

What is domestication?

Taming animals and cultivating plants for human use.

100

About what percentage of Americans were farmers in the mid-1700s?

About 90%.

200

What is hunting and gathering?

Collecting wild plants and hunting animals for food.

200

Who invented the reaper in 1831?

Cyrus McCormick.

200

What does a baler do?

Wraps straw or hay into bales for storage.

200

What is an invention?

A new device, product, or way of doing work.

200

About what percentage of Americans farm today?

About 2%.

300

What crop did Native Americans domesticate from teosinte?

Maize (corn).

300

What invention did John Deere create in 1837?

The steel plow.

300

What is horsepower?

A measure of engine power, originally compared to draft horses.

300

What does a thresher do?

Separates grain from the stem of a plant.

300

What government agency was created in 1862?

The United States Department of Agriculture (USDA).

400

What did colonists bring with them to early Virginia and Massachusetts settlements?

Domesticated livestock.

400

What was Joseph Glidden’s invention in 1850?

Barbed wire.

400

What does a planter do?

Places seeds into the soil at correct spacing and depth.

400

What is technology?

Applying scientific knowledge for practical purposes.

400

What act created land-grant colleges in 1862?

The Morrill Act.

500

What farming method did Native Americans use when soil fertility diminished?

They moved to new land and let the soil recover.

500

What event in 1869 expanded markets for farm goods?

Completion of the transcontinental railroad.

500

How does GPS help modern farming?

Provides precise guidance for planting, fertilizing, and spraying.

500

What does GPS stand for?

Global Positioning System.

500

What is the overall goal of agricultural inventions and technologies through history?

To increase efficiency and food production.

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