This science fair project will help students learn about non-vascular plants, such as mosses.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

Give your budding young observers a chance to discover simple machines at use in their own home.

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

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Your child will learn science and make a fun new malleable toy with this balloon sandbag science experiment.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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

Explore if planting seeds in a certain direction will affect how fast it germinates.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

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.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

The goal of this project is to create an exciting topographical map out of dough.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Help your child learn about animal classification with this fun and delicious activity.