In this design thinking activity, your child will choose an animal to research, learn about the animal’s habitat, and then replicate the animal's habitat using household items.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

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

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

Inspire your child to learn about an amazing animal as she creates her very own polar bear habitat.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

This project can help prepare your child for a trip to the tide pools, or give him a way to remember some of the many creatures he saw during his visit.

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

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

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

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

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

Engineers in training can get started with this simple wheel-and-axle construction activity.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Learn about nature by making your own mini moss garden.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Come take off your shoes and explore with your feet. Your child will embark on a barefoot adventure as he plays with different textures.

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.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

In this activity, your student will be invited to build a chair out of building blocks that is designed to meet the specific size and shape of a small doll or toy figure.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

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

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Help your child make a beautiful homemade sandcastle that will last!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.