Many of the world's most important historical documents were written with quill pens. Have your kid make his own quill pen and put his penmanship to the test!

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science experiment tests if dog saliva can really help heal wounds.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

This experiment tests which gender is better at catching how a magician performs his tricks.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Help your child get comfortable with the concept of estimation, which will come in handy during everything from standardized tests to future shopping trips!

Students usually study for spelling tests by looking over the words and spelling them out loud. Here's a spelling game that gets the whole family involved!

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Entertain your next batch of energetic youngsters with a Halloween-inspired candy hunt!

Staying close to home doesn't mean you can't get moving! Use this fun challenge activity to encourage your child to move their body in new ways while testing their endurance!

Get your kids in the kitchen this Fourth of July and celebrate the holiday with some delicious and nutritious kid-friendly recipes!

This science fair project idea examines whether boys and girls differ in reflexes.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science fair project examines how seeds hitchhike on animals and clothing.

Determine if gender affects the ability to identify different smells.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

Here's a tasty summer holiday treat: oatmeal chocolate chip cookie sandwiches filled with cinnamon ice cream.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.