Compare different remedies for cooling the mouth after eating spicy food.

This experiment investigates if small changes in your diet can alter your basal body temperature.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

Measure the porosity of rocks by submerging them in water. Measure how much water each rock "drank," by measuring the difference in water volume.

Learn how different types of soil affect how animal tracks form in this experiment!

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

This experiment will explore whether fractals really repeat themselves infinitely.

This science fair project idea determines whether the diet and taste preferences of humans relate to their personality.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

This science fair project idea explores how water and ice can change the form of rocks.

In this experiment you simulate radioactive decay in order to gain an understanding of the basics of half-life.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

Learn about our cognitive capacity of attention and to learn about factors that influence attention.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

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

Explore the belief in astrology as a predictive system.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

The goal of this project is to create an exciting topographical map out of dough.

Kids love the dramatic Mentos and Diet Coke experiment conducted in this awesome science fair project.

This project compares the strength of one, two, and three-ply toilet paper.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.