What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

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

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

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 explores whether talking to a plant will help it grow.

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

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

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

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

This science fair project idea determines the probability of a coin landing heads or tails.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Demonstrate how to tell the age of an egg without having to crack it open.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

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

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.