Growing vegetables from food waste is a great lesson for kids and also makes great science experiments Teach students how to regrow food and pick a food to regrow as a class. Could use a food from a students leftover lunch.
how to plant and grow garlic. - I did this with a garlic from the gocery and had so much garlic, plus while it's growing it's pretty. Oh we use this so much I should seriously grow it! plant garlic in the FALL!