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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

What's the chemistry behind dyeing Easter eggs? Will adding vinegar to dye help the eggshell absorb the color? This colorful science project has the answers!

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This science fair project idea investigates the difference in reaction times between boys and girls.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

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

Do you love to make Jell-O? Find out in this science fair project idea if it is possible to make Jell-O with just warm water.

This science fair project idea investigates if fats add to the flavor of food.

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

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

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

This science fair project idea explores substances that cause a bubble to last longer.

How do organic materials become soil? This science experiment measures what materials biodegrade.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Science fair project that examines condensation and the conditions needed in order for dew to form.

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

This science fair project idea determines if the color of light affects the growth of plants.

Is cleaning with lemon effective? Get ready to give this science project some elbow grease and find out if acidic lemons can be used as a cleaning agent.

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Make a backbone model to explore human anatomy and life science.

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.

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

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.