Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project idea identifies trees using a dichotomous key.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Science fair project that examines search engine optimization, internet search trends using a statistical study of searched keywords.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

Help your little one figure out the differences between the worlds of air, land and water, a huge step in understanding how our environment works.

Test for a correlation between perceived color and heart rate. Using a stethoscope and stop watch, measure the heart rate (beats per minute) of volunteers.

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

Help your child plant a "tea garden": a garden made of herbs for making teas.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Determine if each hemisphere specializes in dealing with specific functions. Include illustrations of the brain, it hemispheres.

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!

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

Create a bee garden to help shelter bees in your area.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

Try this experiment to give your curious kid a more "solid" understanding of how temperature affects the states of matter.

Science fair project that examines the physical features of elephants and butterflies and draws conclusions about their similarities.

In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.