This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

In this microwave plant experiment, find out whether microwave radiation will affect radish seed germination. Will it help or hinder the plants' growth?

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

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.

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.

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

Make sourdough bread...and learn some colonial history and modern science in the process!

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

Examine the effect of pressure on carbonation in soda.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

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

Is your child a nature nut with an eye for creative, green-friendly projects? Introduce them to this amazing DIY bird feeder!

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Science fair project which examines the relationship between frequency of spider web vibration and spider's response time.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

This science fair project explores how osmotic pressure forces water through the root up into the plant.

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.

Construct batteries that make electricity from fruits with this fun science fair project.