Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

This science fair project idea identifies clouds as a means of predicting the weather.

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

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Help your curious kid cut through the clutter and collect the facts with a simple and fun science foldable.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Combine an introduction to shape and counting with a springtime art project by showing your kindergartener how to create a vibrant rainbow mosaic.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Head out to the driveway, ball in hand, for a bouncing challenge. Then use those results to make a colorful graph that lets your child compare results.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

Science fair project which simulates the global conveyor belts on a small scale, and observes the effects of wind, density and temperature on water movement.

Science fair project that creates fog using bottles of hot and cold water.

Take paper football to the next level by creating a "field" with objects from around the house. A great indoor and rainy-day activity.

Do a little kitchen chemistry as you make your own bubble solution and bubble-wand shapes!

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea measures physical dexterity as a function of temperature.

Check out this cool science fair project idea to explore the risk of mechanical deterioration of artifacts placed in a storage box due to mold outbreaks.