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In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

The objective of this science project is to determine the length of time for different seeds to germinate.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

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?

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This recipe makes bubbles that not only blow up nice and big, but do tricks and experiments! How do you do it? It's not a secret, it's science!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Why does purple cheese look nasty? Because color plays a big part in how we perceive the taste of different foods. Are birds just like us in this respect?

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

In this experiment, students will create their own version of coquina, a sedimentary rock thatâs formed by seashells and sand, cemented by seawater minerals.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Blend art and science in this hands-on activity that shows your kindergartener how primary colors combine to make secondary colors.

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

This science fair project idea investigates how magnetism can defy the force of gravity.