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

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

This science project idea examines the effect of microwaving on various objects.

This middle school science fair project determines whether DNA is most easily extracted from under-ripe, ripe, or over-ripe strawberries.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

This fun middle school science fair project idea helps student discover the concepts behind deep sea diving and how Cartesian divers work.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Evaluate the ability of a biodegradable dish detergent to increase the penetration of water in hydrophobic soils.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

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

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

In this fun science fair project idea learn the difference between additive and subtractive color and why they are handled differently.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

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

This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

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.

What is surface tension? Kids will discover how water-skating insects use surface tension to keep from sinking by making a model water walker.

In this cool science experiment, test and compare the adhesive holding strength of homemade casein glue versus commercial glue.

Science fair project that compares leaf pigments of various tree species. Which tree species do you think will have the most pigments and why?

Science fair project that determines whether moths are attracted to one color of light more than others.

The objective of this science fair project is to understand the effects of multitasking on the quality of work that is produced.