This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

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.

Encourage your child to think outside the bathtub by making her very own handmade soaps! Perfect as a present, a decoration, or just to pamper herself.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

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.

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

This science fair project idea identifies clouds as a means of predicting the weather.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

The project determines which laundry detergent is best for cleaning clothes.

In this project, a mnemonic is used to test how it increases memory.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

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.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

Make sourdough bread...and learn some colonial history and modern science in the process!

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

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

The goal of this project is to create an exciting topographical map out of dough.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.