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.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

Encourage your child to take in the tastes, smells, sights, sounds and textures of the year's spookiest holiday with a sensory poem!

This science fair project idea investigates whether plants can survive being frozen.

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.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

Help your 4th grade child work on understanding place values of digits in decimal numbers with this fun activity.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

Learn whether writing things down really makes things easier to remember.

In this activity, your child will get a review of addition, subtraction, multiplication and division using classic domino pieces.

Most of us are familiar with haiku, but the tanka is an even older form of Japanese poetry. Learn to write a tanka poem with this activity.

In this activity, your child will explore the difference between boredom and curiosity in building greater attentiveness and happiness in the present moment.

This science fair project idea investigates how color affects temperature.

This is a simple, fast game that you and your child can make together to help him master rounding with decimals.

Get kids excited about gathering their school supplies by teaching them how to make their own writing supplies!

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Create a fun hands-on game to practice long division, using magnetic numbers on a fridge.

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

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

Your fourth grader will be astonished to discover the significance and intricacies of his spine as he builds a model of a human vertebral column.

This science fair project idea determines if the color of light affects the growth of plants.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

This game reinforces the meaning of the term "multiples" and is fast enough to hold the attention of your fourth-grader.

This zombie shirt is a fun and incredibly simple Halloween costume. Have your kid don the shirt lurch around the neighborhood searching for brains...or candy!

In the mood for a little lighthearted magic? Make your own chi chi sticks, inspired by the divination tools of ancient Chinese fortune tellers.