Food spoilage? Not so fast!

Vol. 16 | Gr. 9-12 | U28007
Materials list
• 5 apples (1 per group)
• 25 fresh green beans (5 per group)
• 5 hard boiled eggs (1 per group)
• 5 lbs. pork roast (1 lb. per group)
• 15 slices of cheese (3 slices per group)
Need at least 3 of the following:
• NESCO® Gardenmaster® Auto-Shutoff Food Dehydrator (WA05200) or Aroma® Digital Food Dehydrator (WA33865) (remove moisture)
NESCO® Black and Silver Food Vacuum Sealer (remove oxygen) (WA32130)
• Air sealer bags
• Stove (heat)
4″ x 4″ Papier-Mâché Pot, 1 qt. (9728002)
• Mason jars (lower pH)
Vinegar, 5% Solution, 1 pt. (K00364)
• Freezer (freeze)