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

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

How greasy are your potato chips? Students will use a reliable method to quantify greasiness and compare different brands in this great science fair project.

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

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

This science fair project idea investigates how color affects temperature.

This science fair project idea explores the egg's thin membrane.

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

The purpose of this science fair project is to build a basic radio.

This science project teaches students to classify different shapes of leaves.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea produces varying pitches of sound.

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

This science fair project teaches students the differences between fruits and vegetables.

This science fair project idea identifies trees using a dichotomous key.

This science project allows students to study the psychology of happiness.

In this CD hovercraft science project, students will construct their own DIY hovercraft.