Economic Principles

Most people today grow their own food.

• True

• False

What keeps corn from spoiling after it is picked?

• Cold

• Fabric

• Foam

• Moisture

What invention allows corn to be transported to other locations?

• Refrigeration

• Drip irrigation

• Special fabric

• Healthier plants

What invention helps farmers know when to plant corn?

• Computers

• Tractors

• Cell phones

• Shovels

Choose the word that best completes the sentence.

Corn plants need healthy soil, sunshine, warm weather, and plenty of ______.

• Fertilizer

• Sleep

• Space

• Water

Where do farmers store crates of corn after harvesting?

• In houses

• In barns

• In sheds

• In factories

Corn is transported all over the world.

• True

• False