This science fair project idea determines which method of hand cleansing is the most effective.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Help your young scientist celebrate the wonders of the night sky in the comfort of your own home.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Have your child build a model of a coral polyp, one of the tiny animals that composes a coral reef.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

This science fair project idea investigates if fats add to the flavor of food.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

This science fair project idea produces varying pitches of sound.