In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

How can you tell the difference between a spider and an insect? Your child will find out as he makes a tray of yummy creepy crawly snacks.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Science fair project that teaches you key definitions of molecular science, and how different isotopes of an element affect the relative atomic mass.

Your kid will be captivated as she watches liquids change color before her very eyes during this fun science project that introduces some chemistry basics.

Science fair project that demonstrates the different phases of the moon by physically representing them with construction paper and a shoebox

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Kids will love making clouds and learning how to make a water cycle model in this fun science fair project idea that explores evaporation and precipitation.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

2011 VIRTUAL SCIENCE FAIR ENTRY: The objective of this science fair project is to develop a microcontroller and circuit that can conduct electricity.

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

This science project idea examines the effect of microwaving on various objects.

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.

Here's an arts and crafts guide for your high-school teenager that'll help her create a naturalist drawing and painting.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

This science fair project idea determines how quickly germs and bacteria spread.

In this challenge, students are tasked with creating a car that can be powered by a balloon!

This science activity will help your student explore the changes that occur to transform an egg from raw to soft to hard-boiled.

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Science fair project that examines the biodiversity of ant populations in various locations.

Check out this fun science project to explore the relationship between solubility, drug absorption, and time required for a drug effect to become apparent.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

This science fair project idea tests the efficiency of short term memory.

Explore the relationship between personality traits and birth order effects.

Here's how you and your teen can stage your own formal debateâbeyond arguing why chores are unethical! Formal debates improve teens' critical thinking skills.

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.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.