Have your kid build an ice sculpture in this activity that's so fast, fun, and messy it's the perfect way to demonstrate how much fun experiments can be!

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

In this science fair experiment, high school students determine if all proteins denature at the same temperature.

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

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

Make an adorable nut buddy by crafting nature people out of nuts in shells! Buddies will take on their own personalities depending on the materials you use.

In this experiment, your middle schooler will chart the effects of oil on a feather in order to grasp the tragic effects of oil spills on wildlife.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This science fair project collects information on the Internet about yourself and others.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Test your friends to find out if you can replicate the placebo effect's incredible results.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

In this fun experiment, learn about brand awareness and the influence of media on children by testing logo recognition in different age groups.

Devise list of randomly chosen words, test how many words volunteers can remember. Compare results of adults and children. Which have better memories?

Teach your child how butter is created by shaking up cream the old-fashioned way.

Making your own glass cleaner is easy, effective and inexpensive!

This free science fair project explores the "dirty" relationship between the presence of organic material in soil and water absorbency.

Take a look at forensic science with your child. She'll learn how to take a shoe impression, just like the detectives do!

This science fair project idea determines the probability of a coin landing heads or tails.

Determine the efficiency of multi-tasking by comparing how long it takes students to complete different tasks. Collate data, complete Summary Chart.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

Science fair project that determines how your mirror image differs from your actual image and how virtual images are constructed.

Have you or your child ever heard that nursery rhyme and wondered just what curds and whey are anyway? Do this simple experiment together to find out!

This science fair project idea examines whether music has an effect on a person's ability to complete a simple task that requires concentration.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.