This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

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

You've heard the expression "burn rubber" but do you know how heat affects rubber? Examine the impact of temperature on rubber in this fun science experiment.

Examine the effect of pressure on carbonation in soda.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

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

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

Check out this cool science fair project on identifying rocks and minerals for kids.