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

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

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.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

Discover whether a metal will expand under hot water.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

This project investigates the affect of storage temperature on microwave popcorn.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

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

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

Find out which kind of bubble wrap fares best when put in impact.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

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

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!