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Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

This simple experiment serves as an introduction to the greenhouse effect.

Science far project which determines whether the material of a baseball bat affects the distance that the baseball will travel.

This science fair project idea explores if an LED light can be powered by vegetables and/or fruits.

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Test whether spot magnets can help improve the symptoms of an injury.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

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

Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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!

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.

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Is that seed alive or not? Here's an exciting way for kindergarteners to make a seed museum that your child can watch, using simple household materials.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

This science fair project investigates how temperature of a room affects the burn rate of a candle.

Demonstrate the capillary function in plants by adding food coloring to glasses of water. Slice stalks of celery and leafy tops. Compare color of leaves