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

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

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

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

Science fair project that studies how the brain transforms man-made symbols into meaningful concepts.

The goal of this science fair project is to identify the galactic center of the milky way using globular clusters, as found through Google Earth.

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Discover whether a metal will expand under hot water.

Find a mathematical relationship between the intensity of a sound wave and distance from the sound source. Use a pedometer and a sound level meter.

This science fair project idea studies how talking on a cell phone affect driving?

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

Determine how we can separate the components of a solution

Learn how acid-base catalysis affects enzymes and enzymatic reactions in this science project.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

This project uses toy cars to determine how friction and gravity affect cars and braking.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

First grade science often covers solids, liquids, and gases. This silly science explores serious facts about the difference between all three.

This activity is a great introduction to polymer chemistry. It might seem complicated, but all you'll need is the material found inside of a baby's diaper!

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Make some easy homemade yogurt with your young scientist, and see what a few 'live' bacteria can do in the right conditions!