In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

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

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

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

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

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

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

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

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

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

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

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

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

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

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!

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.

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.

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

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

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.

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