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

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

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

In this project children practice the scientific method while playing with puffy paint.

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

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea produces sounds by creating vibrations using different objects.

Examine the effect of pressure on carbonation in soda.

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.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

Science fair project that identifies the differences between soils from different environments and attempts to figure out why those differences exist.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

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

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

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 experiment you explore how tectonic plates move to create land and expand bodies of water.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.