This holiday season, don't forget the many delights of "cookie science"! Here's a confection we especially like.

Measure the effectiveness of detergent containing a UV-absorbing compound in blocking UV-A radiation. Use black light and UV detecting beads.

Science fair project that compares tree leaf size and shape based on the leaf's position in the tree. Is their is a noticeable difference between high and low?

Here's an activity that lets your third grader, fourth grader, or fifth grader bring the warmth and light of lanterns into your home by making his own.

There's no better way to show mom you love her than with the tried and true breakfast in bed routine. Make whole wheat waffles along with a vase just for mom.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This science fair project idea measures physical dexterity as a function of temperature.

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

Is there any correlation between hot tubs and high blood pressure? Kids discover the answer (and its biological basis) in this cool science fair project.

Learn about the architecture of Asia by building your very own model of a pagoda!

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

Check out this cool science fair project idea to explore various aspects of projectile motions like mass, angle and distance.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

Here are 3 inexpensive ways for kids to make their own beads, from scratch.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

The scientific purpose of this experiment is to investigate which material is the best packaging for fragile items during shipping.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

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

Science fair project that helps visualize how the human brain functions by constructing a model of a brain.

In this experiment, young ecologists will learn about a type of edge effect: how trees and plants at the edge of a forest can act as a weed filter.

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

Help your child build her very own science laboratory at home for experiments and science projects. This is a quick, easy, and fun educational tool!

Here's a fun arts and crafts activity that has you and your child creating a book with a secret hollow!

This science fair project idea explores the different properties & interactions of sugar molecules.