What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

In this science fair project, young children notice and track changes in trees throughout the year.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

Leave your computer on 24/7. Will this lead to to more frequent crashes, freezes, and a slower processing speed? Find out in this science fair project idea.

This experiment will explore the possibility of a connection between lunar cycles and how humans are affected.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

This experiment investigates if small changes in your diet can alter your basal body temperature.

Science fair project that measures the relative times it takes a plastic bag and a biodegradable plastic bag to decompose.

Science fair project that helps you create your own compost pile in order to test the efficiency of different methods of composting.

This experiment investigates the relationship between the temperature of a candle and its burn rate.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This science fair project idea provide quantitative data about how well the use of ASL ( American Sign Language) works in communicating with babies.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

This science fair project collects information on the Internet about yourself and others.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Students identify variables that affect the duration of high school romances and analyze data to predict the success or failure of ongoing relationships.

This project determines how much the rebound rates of tennis balls change after ten games.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

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

Does nail polish really slow the growth of nails? Explore in this science fair project idea.

Science fair project that determines whether spreading a moss soup over an area increases moss growth.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Wreath ornaments decorate your Christmas tree and act as a fun sensory craft for preschoolers. Make wreath ornaments with your child this holiday season.

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!

This project explores if people more easily distinguish between faces of people of their own race or ethnicity compared to those of other races or ethnicities.