Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

Learn about lateral earthquake motion and its effect on high rise buildings in this simple 4th grade earth science experiment.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Slip some science into storm watching with a homemade rain gauge!

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

This science fair project investigates why the number of visible stars changes from place to place.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

In this science fair project, apply the principles of leverage and force by building six simple machines designed to set weights in motion.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

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.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.