Canning

High school (ages 12+)
Food & Cooking

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/canning

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the inventor?Nicolas Appert
2. What is the year appert published method?1810
3. What is canning and how does it keep food fresh?Canning is a way to heat food and seal it in a container so that germs and spoilage stop growing. The sealed, oxygen‑free environment keeps the food tasty and safe for years.
4. Why did Napoleon want a way to preserve food?He needed food that wouldn't spoil for armies and ships during long campaigns. A reliable preservation method would help soldiers eat safely on the move.

Hermetic Seal: A seal that is completely airtight, preventing the passage of gases, liquids, and microorganisms.
Anaerobic Environment: An environment that lacks oxygen, which inhibits the growth of many types of spoilage and pathogenic bacteria.
Thermal Processing: The application of heat to food for the purpose of preservation, typically involving sterilization or pasteurization.
Bioavailability: The degree and rate at which a substance is absorbed into the body and becomes available at the site of action.