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Have your kid determine if a goldfish can be conditioned to expect food the same way Pavlov's dogs did with this fascinating science fair project.

Goldfish Behavior

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Mystery Powders

Test whether plants can grow without sunlight and water.

Can Plants Grow Without Sunlight or Water?

Learn about magnifying glasses, concave lenses and inverted images by sending rays of light through a magnifying glass in this cool science fair project!

Inverted Images

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Design Challenge: Making a Catapult

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Design Challenge: Gumdrop Towers

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Design Challenge: Building a Bridge

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

What Type of Magnet is the Strongest?

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

Design Challenge: Making a Boat

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Form and Function

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

Pasta Coquina: Make Your Own Sedimentary Rock

Find out whether packaged seeds actually do expire in this new science fair project idea.

Do Packaged Seeds Expire?

Science fair project idea examines validity of mood ring predictions. Analyze accuracy of results, consider the impact of temperature

Mood Rings

This classic children&#39;s game demonstrates how sound travels through air vs. through a solid.

How Sound Travels Through Air and Solids

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

Warm, Warmer: How Does Exercise Change Body Temperature?

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

How to Make a Compass

Explore if planting seeds in a certain direction will affect how fast it germinates.

Do You Need To Plant Seeds a Certain Direction for Them to Germinate? 

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Tensile Strength Test

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

Work and Energy

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

The Growth Rate Of Pre-packaged Seeds vs. Seeds From Directly Inside the Fruit or Vegetable 

In this science fair project, students create their own miniature salt flats at home.

Create Your Own Miniature Salt Flats!

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

Bust That Rust!

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

Balancing Act: How does Gravity Affect Balance?

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Preservatives in Food

Windmills have been around for generations to grind food and create energy. During this challenge, students will use various materials and put their engineering skills to work by creating their own windmills.

Wacky Windmill Challenge

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Smell & Taste

In this science fair project, students make their own rain gauge to measure rainfall.

DIY Rain Gauge

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

The Rings of Saturn: A Scale Model

This science fair project creates a visual model of what&acirc;s happening to sound waves as a car approaches and then leaves.

How to Create a Visual Doppler

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.

How Do Heat and Pressure Create Metamorphic Rocks?

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