What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this experiment you will replicate the mummification process by making a hot dog mummy.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

This science fair project idea determines what household items are good conductors of electricity.

Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

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

This science fair project idea studies which brand of wintergreen candy produces the most sparks in the dark.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

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.

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?

In this science fair project, young children will become aware of and have the opportunity to experience the four basic tastes: sweet, sour, salty, and bitter.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

What is the best stain remover for clothes? In this fun and easy science fair project idea, students will identify the best method for laundry stain removal.

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!

Science fair project that examines condensation and the conditions needed in order for dew to form.

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

In this fun guessing game, your child uses his sense of smell and taste to figure out what is in the container. Here's how to play:

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

In this science fair project, students make their own rain gauge to measure rainfall.

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Kids get step-by-step instructions for how to make a rubber band car and explore the physics of potential energy with this fun engineering science fair project.

This project determines what category of person is most likely to be ticklish.

Use popcorn in this tasty experiment to explore the five senses at home with your kindergartener!

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

Is it a square or a circle? See if you can trick your friends with this zany science project!