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Challenge your learner to design and build a city of their own in this creative engineering activity.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

In this design challenge, your child will create a parachute for a small toy using typical household items.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

This science fair project idea investigates if fats add to the flavor of food.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

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

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

In this science fair project you will make a model of a cell membrane using very simple material.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

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

In this project students experiment with making music using only glasses of water.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.

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.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

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

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Test whether plants can grow without sunlight and water.

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

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This science fair project will help students learn about non-vascular plants, such as mosses.

Discover whether a metal will expand under hot water.