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.

Study and categorize the functions and types of genes. Run gene experiments chosen from links. Analyze data, explain ideas in a detailed report.

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.

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

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

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

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

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.

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

Make a periscope with milk cartons and mirrors! This preschool activity is great for playing secret agent and learning simple physics.

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.

Your preschooler will engage their senses by making a scented pumpkin to decorate your house.

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.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

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