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

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

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

Do you think heat can affect a plant's growth rate?

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

The project investigates the affect music has on plant growth while experimenting with rock, classical and no music.

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

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.

If you love the idea of handing out holiday tins of homemade cookies but you're not a baker, chocolate-covered apples are the perfect solution.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

Time is an abstract concept that's difficult to grasp. But waiting for the turkey to come out of the oven on Thanksgiving is a concretely yummy experience.

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

How powerful is the reaction between baking soda and vinegar? Find out here!

This project tests the hypothesis that dark colors absorb more heat than light colors.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Help your first grade scientist learn about metamorphosis by observing the life cycle of some interesting creepy crawlies.

Here's a thought-provoking activity to make new vocabulary words "stick" in the mind of your young learner.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Hiding protein-rich quinoa and a variety of fresh vegetables, these meatballs are the perfect answer to kid food woes.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

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!

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.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?