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.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

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.

Is it solid or liquid? Create oobleck and witness the amazingly weird oscillation between the two!

Teach your little scientist about the amazing powers of gravity by comparing the falling speeds of two yummy fruits

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.

In this Halloween-themed activity, young learners will find out what happens when they mix two household items together to create a surprising chemical reaction.

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 activity, young learners will make a balance using a plastic hanger and weigh a variety of small objects using candy corn.

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!

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

Learn to solve a crime scene investigation using an important forensics tool: oblique lighting.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

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!

Using a glass fishbowl, you and your kids can create a low-humidity, open-topped terrarium perfect for easy care, drought-tolerant succulents.

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