In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

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.

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

In this activity, your child will transform an egg into a glowing, bouncy "ball" that they can play with.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

In this fun activity, your child will create their very own solar oven to bake s'mores!