Apple slices can turn brown, but when they are coated with lemon juice the acid keeps the apples fresh. Here's how to help your preschooler experiment:

Learn to make homemade ketchup with your child and experiment with spices and flavors!

Have you ever taken a bag of snacks with you on a road trip? If you lived in the 19th century, you might have taken hardtack instead.

Invite your second grader to help you measure and mix these fresh, cool concoctions!