What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

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

Which do you prefer: real or artificial? Try this sweet little taste experiment to help your kids develop a better awareness of the food they consume.

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 provides evidence that air is everywhere and takes up space.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

It's food. It's Thanksgiving tradition. And guess what: Cranberry Sauce is also science! Try our simple recipe/experiment.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

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

Put a twist on traditional oil painting with this fun science activity that you and your first grader can do together.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.