Get ready for a yummy taste test! Just pour the milk -- and make sure you have some chocolate chip cookies on hand.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

This science fair project idea's objective is to understand the concept of air pollution and examine the quality of air in our environments.

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Most parents probably wouldn't mind subtracting 8-9 years off their age. Here's a fun third grade subtraction activity that may do just that.

In this "paper and pen" science fair experiment, students will research the difference between standard time and astronomical mean time.

Is exercise a cellular activity? Check out this fun science fair project idea to compare the carbon dioxide production before and after exercise.

Science fair project idea helps conceptualize probability. Compare probabilities and outcomes of cards drawn from a standard playing deck.

Science fair project that determines which types of clouds are best at blocking harmful UV radiation.

Learn how to count in Spanish. Your child will practice numbers and build reading skills while learning a bit about Latino culture along the way.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?

One way to "trick" your child into getting extra practice with one-step equations is to play a variation of the classic game, tic tac toe.

This three-part debate book is designed to hold two conflicting points of view on an issue that concerns you, along with possible solutions.

In this activity, have your second grader practice measuring by finding the height, weight, and length of their most treasured toy!

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

Help your children practice their presentation skills by helping them create their very own show called "The Daily News."

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

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Play this "subtraction war" card game with your second grader and watch his math facts mastery leap forward!

This science fair project idea determines what factors influence an individual's reaction time using a web-based timed reaction test.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Science fair project that determines whether wireless networks damage living plants. Are WiFi radiation hazardous to your health?

Show your child that the pen really is mightier than the sword with this fun writing exercise!

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.

In this science experiment, do tensile strength test on fishing line, a strand of hair, a rubber band, and any other materials you're curious about!

Want a sugar-sculpted house, just like Hansel and Gretel found? Make a miniature version in this sweet geometry activity.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.