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In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Science fair project that models the subterranean movement of water, using Darcy's Law. How can this information be used in hazardous material spills?

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

The buoyant force of water explains why some objects float in water. But why do some objects sink? Find out in this physics experiment and learn about density.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Start thinking about how the internet works by assembling an Ethernet cable of your own!

Explore the belief in astrology as a predictive system.

Show your preschooler how to construct this very special planter for Mom. It makes a great pick-me-up, and it's easy for kids to make in a flash!

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

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

This science fair project compares the abilities of men and women to understand subtle communication through body language.

This science fair project idea explores if male or female humans are more likely to exhibit some form of color blindness.

Free science fair project idea that examines the ergonomics of your environment. Redesign your living space to be better suited to your lifestyle.

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 first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Help your child learn about animal classification with this fun and delicious activity.

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

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.

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