Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.

Examine the effect of pressure on carbonation in soda.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This science fair project idea provides evidence that air is everywhere and takes up space.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

This tricky building block challenge asks your learner to think creatively. They will work on their divergent thinking skills as they try to fill up an index card perfectly with building bricks.

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Explore if planting seeds in a certain direction will affect how fast it germinates.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Do you have your isopods straight? Learn about sow bug and pill bug behavior by building a terrarium to study them in!

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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