In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project investigates why the number of visible stars changes from place to place.

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

Wind is an important source of renewable, green energy. The purpose of this science fair project is to build and operate a windmill generator.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

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

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

This science fair project idea determines the probability of a coin landing heads or tails.

This science fair project idea researches the effects of acid rain on plant growth.

This science fair project idea identifies the properties of soap bubbles and invents a new or improved bubble solution.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

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

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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

Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

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?

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Science fair project that compares the ecology of different soil samples by identifying which sample has the most invertebrates living in it.