Science fair project in which you will attempt to throw a ball the greatest horizontal distance possible by using different angles.

Science fair project which determines whether a person's taste in music is dictated by the key that the song is written in.

Kids conduct a simple birdseed experiment to figure out what kinds of birds live nearby in this fun science activity.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

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

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This easy at-home experiment is a great way to "see" science.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

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!

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Want to see a great example of Newton's first law? Kids will learn about basic physics with this fun, ballistic experiment.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Ready for takeoff! Make science fun and teach about levers and fulcrums as your child sends buttons flying.

Show your fifth grade scientist how to create a siphon using two buckets, plastic tubing, and water. Watch her astonishment as the water travels uphill!

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Show your child how and why the microwave works, while demonstrating just how strangely foods can behave while inside the crazy cooker.

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

This science fair project idea determines the probability of a coin landing heads or tails.