Looking for a project on fossils? Check out this fun science fair project idea to understand the process of coal formation and fossils part in that formation.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Your child will be delighted to learn about and gaze upon his favorite constellations with this set of stellar homemade placemats!

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

This experiment will explore if a randomly iterated algorithm will result in a pattern.

This bread mold experiment will help your child learn about mold, and he'll develop important hypothesis-making and experiment-designing skills.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

This fun and crafty activity is easy enough for your child to lend a helping hand and makes a great indoor or outdoor game.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

A simple science experiment exploring the physics of water pressure that's been amazing people since Medieval times.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Discover if soda geysers will erupt when using regular vs. diet cola and which candies will create eruptions.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

Science fair project that tests whether cats have a preference for organic food.

Explore the wattage of microwaves in relevance to cooking time.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

This science fair project idea discovers the principle of conservation of mass.

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

In this art project, budding entomologists will create a larger than life, moveable puppet version of a praying mantis.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.