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.

Learn how to relight a candle by lighting the vaporized wax in the smoke, and test how various kind of wax and candle brands relight differently.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

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

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

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.

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

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.

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

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

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

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!

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

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

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

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.

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.

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.

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

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

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.

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.