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

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

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!

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

Make a spring collage with your child to get them outside and those creative juices flowing!

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

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

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!

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

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

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.

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

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.

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

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.

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

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project idea investigates how color affects temperature.

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