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

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

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

Using a toy race car kids create a visual model of the Doppler Effect.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

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

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

Teach your first grade scientist the difference between liquids and solids using maple syrup.

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

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

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

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

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

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this activity, your child will be challenged to make a tower using paper cups.

In this awesome science fair project idea, kids will be attempting to pick up different objects using snail slime.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

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.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.