Set off an a science adventure as you prepare a row of bee homes for your new visitors.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This project compares the strength of one, two, and three-ply toilet paper.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

In this project, waves of vibrations are experimented with using water in glasses.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

In this science fair project, students make their own rain gauge to measure rainfall.

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

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

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Get your sense of humor ready for this fun science experiment that demonstrates the fundamental physics of air pressure.

Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

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

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

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.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.