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.

This experiment explores whether reading text on a computer screen or type on paper leads to better retention of the information read.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

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.

In this activity, children will work on their mathematics and engineering skills as they attempt to recreate the Eiffel Tower out of building blocks!

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

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.

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.

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.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

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

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

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

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

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

This science research project challenges students to think of more effective lobster farming methods.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

This science fair project idea investigates how color affects temperature.

This science fair project idea examines whether boys and girls differ in reflexes.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

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

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

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