Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

Play this hidden number game with your preschooler or kindergartener that will give them a leg up in learning numbers.

Does your child love learning about dinosaurs? Does he like digging around in search of hidden treasures? In this fun activity he'll do both!

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

Find the area in this fun math card game. You'll help your child start thinking in terms of units as you create shapes out of playing cards.

In this activity, find out who the flowers' "partners in crime" are by being a flower spy!

Your child can make a homemade find-a-word game personalized for the Christmas holidays and family.

Help your kindergartener use a map to find "leprechaun gold"--and build early social studies skills in the process!

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Here's an investigative activity in which your child will discover real-world names and uses for sugar and find out how it is hidden in many different foods.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

This experiment will explore the possibility of creating an infinite object by hand.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

In this science fair project on the relationship between distance and time, kids explore the behavior of gravitational acceleration through direct observation.

This science fair project idea investigates how the shape of an object affects drag.

This hunting game is just as fun outdoors as it is inside. And while they'll never suspect they're learning, it helps kids develop listening skills, too!

In this parts of speech fall scavenger hunt, kids will search for all the hidden leaves, sort them into parts of speech categories, and then practice creating their own sentences using the words they find.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

Picking words out can be tricky. In this early reading activity, your child will place letter markers on a grid to make words appear out of the jumble.

Crisps are the hidden gem of the homemade dessert world.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

Your kids will love this tradition of finding a leprechaun's gold hidden all over.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

Introduce your kindergartener to some art history by showing him how to create an everyday object print, Andy Warhol-style.

Science fair project that uses iodine vapors to develop latent fingerprints on a non-porous object.

Practice math and social studies skills with this fun game based on the Battle of Lexington and Concord.