Some fossils have been been preserved for billions of years! Help your kid understand how fossils are created and preserved with this crafty project.

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.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Using simple materials found around your home, you can reinforce the static electricity concept by helping your child build a simple device with zapping power!

Find out whether matte or shiny nail polish lasts longer.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

This science fair project idea explores the different properties of matter.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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

This science fair project idea produces varying pitches of sound.

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

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

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

This simple experiment serves as an introduction to the greenhouse effect.

This science fair project idea examines whether boys and girls differ in reflexes.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

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