This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

Your child can explore the wonders of science, and the concept of dehydration, along with creating a healthy and tasty treat!

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

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Science fair project which determines whether it is numerically possible to be connected to every person on the earth within six degrees of separation.

Show your child how to concoct a simple duo of household ingredients that changes color as acids and bases are added!

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

The project determines which laundry detergent is best for cleaning clothes.

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

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

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

This science research project challenges students to think of more effective lobster farming methods.

Demonstrate how to tell the age of an egg without having to crack it open.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

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

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

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

Learn whether writing things down really makes things easier to remember.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

In this project, waves of vibrations are experimented with using water in glasses.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.