This science fair project idea explores how length affects the weight a bridge can hold.

In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

Roasting pumpkin seeds makes for a great Halloween activity, and a healthy snack!

This science fair project idea examines which type of insulation holds in the most heat.

Discover whether a metal will expand under hot water.

In this experiment we will be determining whether birds prefer certain colors of seed.

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Start your toy engines -- this is going to be a fast and friction-filled race!

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Help your child make a beautiful homemade sandcastle that will last!

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Before your treat your child (and yourself!) to a yummy snack, help her learn a little about Sir Isaac Newton's First Law of Motion!

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

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.