Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

In this experiment we will be determining whether birds prefer certain colors of seed.

Does skin thickness really decrease fruit spoilage? Find out in this science fair project idea!

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

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

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

Construct and experiment with a periscope using reflected light rays to gather an image.

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

This science fair project idea researches the effects of acid rain on plant growth.

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 investigates how a bottom keel helps keep a boat from rocking back and forth.

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

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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

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

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

In this project students experiment with making music using only glasses of water.

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

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.