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Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Kids love to hear about themselves. And reading about themselves is even better! This personal yearbook will let them record all their important facts.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

In this activity, create a poem that emerges from the collaboration of parent and teen in the activity of observing, discussing, reading, and writing.

How can Hooke's law explain how springs work? Learn about how Hooke's law is at work when you exert force on a spring in this cool science project.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This holiday season, don't forget the many delights of "cookie science"! Here's a confection we especially like.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

This science fair idea examines hydrogel superabsorbent polymer crystals. They can absorb 500 times their weight in water. Can they absorb other liquids too?

Try a fun Mother's Day game for moms and kids to play together!

In this cool sound resonance experiment, learn about frequency and pitch, and use a tuning fork to calculate sound velocity in air.

This science fair project idea measures physical dexterity as a function of temperature.

The objective of this science project is to investigate patterns in fingerprints among family members.

This three-part debate book is designed to hold two conflicting points of view on an issue that concerns you, along with possible solutions.

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Learn about our response to scents that existed in our environment over evolutionary time and consider why scents might affect our mood state.

Explore the neural and mental mechanisms at play in mental imagery.

Do thick liquids flow faster than thin liquids? Examine water and syrup's viscosity and inertia to learn about the Reynolds Number, laminar and turbulent flow.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

What is vegetative reproduction? Find out how you can clone plants and regrow cabbage from a stem in this cool experiment!

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.