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

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

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?

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

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

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

This project investigates the affect of storage temperature on microwave popcorn.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.

Find out whether putting something on top of a plant will inhibit its growth.

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.

Who knew that you could make beads out of rose petals? Not only can it be done, but the beads smell wonderful!

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Learn all about balance and motion as your child designs a corn maze!

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

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.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.