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Explore if planting seeds in a certain direction will affect how fast it germinates.

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

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

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?

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

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

Here's an experiment that will have your child experimenting with cake ingredients to learn about the chemical reactions that happen when a cake's in the oven.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

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

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

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

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!

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.