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

This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea explores which fruit molds the fastest.

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

This activity will introduce your child to the four different components of blood and give him a fun way to visualize its properties.

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

Discover whether a metal will expand under hot water.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

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

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

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

This project investigates the affect of storage temperature on microwave popcorn.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Find out which kind of bubble wrap fares best when put in impact.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

This science fair project idea demonstrates that light travels in straight lines and experiments with reflecting light.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

Discover which fabrics shrink the most in the wash and why.

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

This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.