This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

In this activity, students will think about the form and function of household objects as they compare and contrast kitchen serving spoons of various sizes and designs.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This science fair project idea compares biodiversity between drops of water.

In this project, different brands of microwave popcorn are tested and compared.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea examines which type of insulation holds in the most heat.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

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

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

This project investigates the affect of storage temperature on microwave popcorn.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

How powerful is the reaction between baking soda and vinegar? Find out here!

In this design challenge, your child will create a parachute for a small toy using typical household items.

Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.