Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Compare different remedies for cooling the mouth after eating spicy food.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

Study the effect of music on blood pressure. Compare blood pressure readings before and after the listening session. Analyze results, write a detailed report.

This science fair project idea determines whether eating before or after exercise is more beneficial to health and performance.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

This science fair project explores how salt and sugar affect the melting rate of ice in water.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Science fair project idea that compares number and relative sizes of leaf stomata. Collect leaves of plant species, identify, observe stomata with microscope.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

In this challenge, students are tasked with creating a model roller coaster that a marble can travel through.

Science fair project idea that measures fuel efficiency in cars. Calculate cost per mile by comparing fuel cost and consumption data.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

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

In this experiment, you will be making your own paper flashlight by conducting electricty with graphite.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

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

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

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

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

A mixture of botany, exploration, Abstract Art and Pop Art color theoryâthis activity never gets dull! Start by exploring outdoors and finish with indoor art.