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This science fair project investigates why the number of visible stars changes from place to place.

Stars In The Sky

This science fair project idea identifies trees using a dichotomous key.

Using A Dichotomous Key To Identify Trees

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.

DIY Compost: Aerobic and Anaerobic Decomposition

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Using Mirrors in the Garden: Measuring Light Reflection

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets&#39; relative size!

Scale Model of the Solar System

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Making A Rock In A Cup

This project compares the strength of one, two, and three-ply toilet paper.

The Relationship Between Toilet Paper Ply and Strength

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

Soil Horizon

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Which Plants Can Resist Walnut Tree Allelopathy?

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Popcorn Pumice: Exploring Different Rock Densities

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

To Measure the Refraction of Light Through Liquids Using Crystals

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

How to Inflate a Balloon Using Baking Soda and Vinegar 

This science fair project idea produces sounds by creating vibrations using different objects.

Creating Sound Through Vibrations

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

Growing Bacteria

This science fair project idea explores  whether a sundial is as accurate as an atomic clock when telling time.

How Accurate is Using a Sundial Compared to an Atomic Clock?

Science fair project in which you will start a fire from scratch without using matches or a lighter.

Starting a Fire

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.

DIY Electromagnet

In this project students experiment with making music using only glasses of water.

Musical Glasses

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Growing Crystals

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

Magic Glass of Water

In this science fair project you will make a model of a cell membrane using very simple material.

Cell Membrane

Construct and experiment with a periscope using reflected light rays to gather an image.

Periscope Construction

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

How to Make a Compass

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

Light Intensity and Distance

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Distance and Angle

In this design challenge, your child will create a parachute for a small toy using typical household items.

Design Challenge: Making a Parachute

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

Sink or Swim: Calculating Density of Fruits and Vegetables

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Surface Features of the Moon Model

In this design challenge, your child will make a bottle rocket using typical household items.

Design Challenge: Making a Bottle Rocket

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Halloween STEM Building Challenge

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