The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This science fair project idea examines which type of insulation holds in the most heat.

In this activity, your child gets to peek behind the curtain of puzzle making as they create their very own "Spot the Differences" game!

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Make environmentally friendly, chemical-free toothpaste using one of the most common, inexpensive pantry staples in the American kitchen: baking soda.

In this simple circular motion experiment, you'll observe tangential velocity and learn about how acceleration and centripetal force affect an object.

What better way to show someone you love them than by telling them? This hair band craft features the American Sign Language sign for âI Love You.â

Would your child like to learn about a hidden world? All she needs to do is open her box of markers!

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Put together this delicious infused honey with an herb or flavoring of your choice. Then put it in a pretty jar and give it as a gift!

Here's a great project to get your child on the right track towards writing well thought-out proposals.

Invite your third grader to do taste test science to observe how a strawberry tastes when it is paired with various condiments. The results may be surprising!

What’s the best part of fall? Pumpkins! Use this easy recipe to help your child make some delicious smelling pumpkin play dough. They can use their math skills to measure and mix and then have hours of fun playing!

In this activity, your child will design their own Best Self Journal to reflect on ways they have been their best each day.

Sharing can be a challenge, and division doubly so! Practice halving numbers in this competitive card game.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Movement activities are crucial for developing minds and bodies. Animal movements, in particular, encourage children to think about their own body mechanics in comparison with animals they may have observed.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

Instead of piling on jackets and mittens, settle down for an afternoon of paper magic with this three-dimensional snowflake craft.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Create a string of paper jack-o'-lanterns with this simple Halloween paper craft!

Hair ties don't have to be plain old elastic circles. Your child can decorate her hair with beaded hair bands that add flair to her hair!

Help your 4th grade child work on understanding place values of digits in decimal numbers with this fun activity.

Dress up the dining table with a sweet craft right in time for Valentine's Day.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

Being sick stinks! Help make being achy a little easier by helping your child craft a comforting hot water bottle doll out of fabric, googly eyes, and ribbon.