This science experiment tests whether warm or cold water works best in making cut flowers last longer.

This science fair project researches the most effective method to cut an onion and stay tear-free.

This science fair project idea determines which flower lasts the longest.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Determine the growth rates of different types of human hair. Ask volunteers to not cut their hair until the end of experiment. Measure hair length.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Check out this fun and easy science fair project idea on germination of a seed and learn to identify exterior and interior parts of a bean seed.

Does "short circuit" mean that electricity takes a short course? This science experiment provides steps to help you get to the bottom of this science mystery.

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

Determine if it is easier to memorize colors, words, words in phrases, pictures or numbers. Determine at when retention rate in each category is the best.

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

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

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.

Test whether cutting up meats will make it cook faster than just cooking it whole.

This experiment provides a graphic illustration of the chemical reaction that occurs when you activate a hand warmer.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Get a better understanding of water content by dehydrating carrots.

Become familiar with ratios and learn how to measure the diameter of the Sun and the Moon in this fun science fair project idea.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

This project will examine the relationship between materials and air resistance.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project idea tests the effect of heat- at varying temperatures- on the viability of biological enzymes.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Air resistance is a crucial factor when designing a parachute. In this science fair project, students find what type of material works best as a parachute.