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Make a kindergarten "discovery table" that reinforces both science and writing skills. Here's how:

Make scented sensory cloud dough. Add it to a sensory table, activity station, or put it in a baggie for extra at-the-park entertainment!

Young physicists will wrestle with a discrepant event: the Hammer Ruler Trick. They'll make some inferences about torque, balance, and center of gravity.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Amaze your kids by separating a salt and pepper mixture using an "electric spoon" charged with wool.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

Build a bird feeder science craft that brings birds to your yard, and a smile to the whole family's face.

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

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

Blanket forts are a kid classic! Let your child create a âfortress of solitudeâ on his own for reading, telling scary stories or for cozy cocooning.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

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

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

This science fair project idea investigates the difference in reaction times between boys and girls.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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!

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

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Introduce your child to science with something they see everyday--their shadow!

In this CD hovercraft science project, students will construct their own DIY hovercraft.

If your child aspires to be the next Frank Lloyd Wright, we've got some tips on building sand castles that last.