This science fair project idea investigates how color affects temperature.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

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

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Help your child learn about animal classification with this fun and delicious activity.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This science fair project idea investigates how magnetism can defy the force of gravity.

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.

Teach your fifth grader about the wonders of wind by making and observing this winter wind chime.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

In this project students experiment with making music using only glasses of water.

Take a dive into the candy jar with this yummy science experiment.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

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.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

I scream, you scream, we all scream for homemade spearmint ice cream!

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!