CHALLENGE:

1. Research Snack Making &Safety

2. Build a Model

3. Make a Show Me Poster

How Does Food ?

How Do We Prevent It?

First, Review of Last Time!

Organic Unbleached Wheat Flour

Organic Sugar

Organic Figs

Corn Syrup

Organic Palm Fruit Oil

…

1% MilkfatLowfat Milk

Wheat Corn Milk

Sugar Figs Palm Oil

Ingredient Sources

Transportation

Wheat

Sugar

Palm Oil

Milk

Sugar

Production

Sale

Food Has to Be:Grown

HarvestedTransported

StoredCooked/Baked/Boiled/Fried

Sold

While Keeping It Safe and Tasty!

How Does Food ?

How Can It Make You Sick?

Start From Where It is Grown

How It is Moved

How It is Stored

How It is Prepared

How It is Sold

Did You See Any Dangers?

What Do They Come From?

Chemical Contamination

Chemical Changes

Microbes

Microbes Can Make Harmful Chemicalsin Food

Microbes Can Get Into Our Body,Then Make Harmful Chemicals

Are They All Bad?

There are 10x as Many Bacteria In Your Body as You Have Cells

There Are Up to 1,000Species of Bacteria in Your Digestive System

However, a Few Harmful Bacteria Can Make You Very Sick

How Do We Prevent Them From Infecting Our Food?

What Do Bacteria Like?

Oxygen

Warmth

Some Light Water

What Do Bacteria Not Like?

Does This Give You Some Safety Ideas?