Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

This project is about after-images and what possibly affects them.

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

For most kids the fun is in the process, and making a dollhouse out of cardboard boxes is as creative as it gets! Here's how to make your own dollhouse.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

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

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Determine whether people can actually taste the difference between âhealthyâ cookies and the traditional version.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

A riff on the classic board game, St. Patrick's Day Snakes and Ladders is a fun game the whole family can enjoy.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Instead of piling on jackets and mittens, settle down for an afternoon of paper magic with this three-dimensional snowflake craft.

Here's an activity to help your child create her very own time capsule to unearth and open in one, five, or even ten years later!

In this science project, learn about soil porosity and measure the percent porosity of sand, silt, and clay.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.