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!

Compare animal and plant fats and observe, and record, and draw conclusions about their similarities and differences.

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

This simple experiment serves as an introduction to the greenhouse effect.

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

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

Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

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

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

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.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

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.

Making candles from old candles is easy. Recycle old candle stubs to make a "new" candle, and teach your child about recycling at the same time!

This project concerns activity happening millions of miles away, on the sun.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

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

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Science fair project that cultivates slime mold and monitors the stages of its development.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

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!

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.