Simple and straightforward, this money math game helps kids practice counting, adding change, and working with decimals.

This science experiment explores why leaves change color in the fall and the role of photosynthesis in leaf coloration.

Get a cool middle school chemistry project idea on how to determine whether a physical or a chemical change has taken place.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

Check out this fun middle school science fair project idea on Newton's third law of motion and how you can change the speed of a rocket.

In this science fair project, young children notice and track changes in trees throughout the year.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Engage your children with this fun fall activity that integrates math and science. First, your child will excavate to find leaves. Next, they'll examine them to determine the colors. Then, your child will graph their findings.

Familiarize your preschooler with the concept of numbers one through five and counting with this hands-on activity.

In this activity, your child will learn and practice mindfulness by using their senses to focus on one thing at a time.

Study science with your first grader in this arts and crafts activity that models the reason why fall leaves change color with some paint and crayons.

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

Challenge your high school student to find the flaw in this short mathematical proof that one is equal to two.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

This science fair project idea determines whether the older population prefers darker, duller colors rather than bright and lush colors.

With this hands-on activity, you'll show how fall colors are hidden in the leaf all year long!

This science fair project idea uses the process of chemical weathering to change a mineral.

Science fair project that determines how we can change potential energy into kinetic energy.

This science fair project idea explores how water and ice can change the form of rocks.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

Research basic components of vacuum cleaners, consult vacuum cleaner manufacturers for advice. Design vacuum with attachments that change automatically.

This project determines how much the rebound rates of tennis balls change after ten games.

Learn about endothermic and exothermic reactions and energy exchange by experimenting with temperature change in chemical reactions.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This hands-on activity gets first grade kids brainstorming about what needs change in the world, and how they can help.

Learning to count change can be tough! Help your child become a master money-counter with this simple game.

Does your preschooler like cereal? Explore numbers with everyday objects and food with this fun counting activity.