How do organic materials become soil? This science experiment measures what materials biodegrade.

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

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

By incorporating natural materials and the powers of observation, your child will become a backyard naturalist while building early writing and drawing skills!

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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

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

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

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

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

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

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

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

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

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

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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.

In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

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

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

This science fair project examines how seeds hitchhike on animals and clothing.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This project investigates the affect of storage temperature on microwave popcorn.

In this activity your child will create their very own marble maze!

In this project children practice the scientific method while playing with puffy paint.

This science fair project idea determines what household items are good conductors of electricity.