The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

Science fair project that explore how compound motion works by examining how gravity is affected by horizontal force.

Science fair project that determines the correlation between the ability of selected materials to conduct heat and a material's density.

In this experiment you will use plastic and magnets to test your local soil composition.

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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This fun elementary school science fair project idea helps students in designing an amusement park using their knowledge of forces and simple machines.

Compare different remedies for cooling the mouth after eating spicy food.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

Wild-type and GAPDH mutant Caenorhabditis elegans were used as an example of how glucose or sugar affects the lifespan of humans.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

In this challenge, students are tasked with creating an insulated cup that will keep beverages colder for longer than a regular cup.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

This experiment evaluates if the lighting in a room affects the speed at which test subjects perform mental tasks.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

This experiment demonstrates the conservation and transfer of energy using a marble rolling over sandpaper.

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

This fun science project explores the climate change over the course of the history of Earth and helps construct a diorama representing a geologic time period.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

This science fair project idea explores whether a person's ability to see under very dim lighting conditions diminishes with age.

Make a backbone model to explore human anatomy and life science.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

This experiment investigates whether the primacy effect is observed more frequently in specific populations of people.