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

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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

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.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

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

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.

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

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

The project investigates how water and movement affects erosion.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

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

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

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

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

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.

Hunt for natureâs treasure, the many different products made by trees!

The objective of this science fair project is to investigate salt water density.

Teach your child about healthy foods and how to make a meal that is good for them with this fun activity that you both can do together.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

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

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

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.

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

This science fair project idea investigates whether air has mass and weight.

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