How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

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!

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

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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

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

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science fair project idea determines if the color of light affects the growth of plants.

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.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Stir up some enthusiasm for experimentation with this candy-cracking science experiment!

Discover whether cold or hot water from the faucet will boil faster on the stove.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

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

Have your child kick off their summer vacation by making a miniature water slide!

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This science fair project teaches students about wilting and browning of salad greens.

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.