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

This science fair project idea explores whether talking to a plant will help it grow.

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

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

This science fair experiment idea's objective is to understand the general concept of an acid and a base.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

The project determines determine if a sports drink affects the heart rate of a student athlete during exercise.

This science fair project idea explores the relationship between oil and water in terms of density as well as hydrophilic/hydrophobic compounds.

This science fair project idea investigates whether plants can survive being frozen.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

Learn about the fruit fly life cycle in this experiment. Capture fruit flies to examine various stages of insect metamorphosis.

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

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

This science fair project idea identifies clouds as a means of predicting the weather.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

This science fair project teaches students about wilting and browning of salad greens.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

The science project fair idea explores the interaction between your nose, mouth, and brain when tasting a new food or drink.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Science fair project that examines how to grow bacteria in a controlled setting, using simple materials from around the home.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

What combination of cloth and stain will be the easiest for removing stains? Test and experiment!

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.