What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

With school, home, and activities in between, life can sometimes feel chaotic to kids. Help your child learn how to stop and relax with handmade peace rocks.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science fair project idea produces varying pitches of sound.

Making metric conversions is a difficult concept to master. Get in some extra practice by playing this Tic-Tac-Toe game with your learner.

Is your child an amateur origami master? Reach the next stage of paper folding genius with this origami heart!

Thanksgiving is a time to be with loved ones. It's also a time to chow down! Need help in the kitchen? There's no better helper than an avid fourth grader.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This Labor Day, encourage your child to start thinking about jobs she'd like to learn more about and might consider for her future career.

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Inspire a love for the written word by creating an illustrated nature poetry book with your kids.

Explore what freedom and liberty mean to you this Fourth of July with a beautiful portrait collage!

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

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

Learn about landscape painting—and artist Grandma Moses—in this engaging watercolor activity!

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

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

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Here's a black fuzzy spider that's sure to cause a silly fright! This eight-legged creepy crawler is sure to surprise anyone looking for a treat.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

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