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.

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

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!

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

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, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

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

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.

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

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

Show your preschooler how to make a print of a butterfly using her hand as a tool--a great way to stimulate her sense of touch.

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.