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

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

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

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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

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

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

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

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.

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

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

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

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.

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

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

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

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

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

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

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

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

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

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.

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.

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

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.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

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

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

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.