snack attack - meeting 2
DESCRIPTION
2011 Junior FIRST LEGO League. Second meeting -TRANSCRIPT
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?