Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

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

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

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

An home science experiment for older students that teaches about the science behind heat.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

The purpose of this science fair project is to build a basic radio.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair project idea explores how much force is needed to move a lever at different distances from the fulcrum.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

This science fair project idea explores the different properties & interactions of sugar molecules.

The objective this science fair project is to determine whether a bigger bag will allow a homemade hot air balloon to fly higher than smaller bag.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.