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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.

Fat Insulation: How Do Animals Keep Warm?

Use this lesson with your students to practice comparing and contrasting the key details in two texts on the same topic. It can be a stand-alone lesson or a pre-lesson for the *What's Similar? What's Different?* lesson.

Similarities and Differences

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

Can Hydrogel Crystals be Used as a Sensitive Humidity Indicator?

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Too Much Sodium?

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

Soda Explosion

Have your child create a little leprechaun to celebrate the season and create a little mischief.

Little Leprechaun

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Fastest Way to Cool a Soda

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

How Solar Energy Heats Liquids of Different Colors

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Heat from Light Bulbs

Use playing cards to learn about temperature as well as positive and negative integers in this fourth grade math game.

Temperature Game

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

Greenhouse Project

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.

How Do Icicles Form?

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Albedo

Discover whether a metal will expand under hot water.

Does Water Temperature Cause Metal to Expand and Contract? 

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?

Sizing Up Marshmallows

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

Fruit Leather

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Keeping Cut Flowers Fresh

Science fair project that examines condensation and the conditions needed in order for dew to form.

Dew Point, Humidity and Weather

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

Heat Conduction

Topped with roasted pumpkin, prosciutto, herbs, and feta, these pita pizzas are a healthy, seasonal alternative to your classic pie.

Bake Pumpkin and Prosciutto Pita Pizzas

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.

Golf Science Fair Project: Temperature and Rebound

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Homemade Butter

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.

Crystal Wonderland

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

Factors Affecting Solubility

This science fair project idea investigates how color affects temperature.

Color And Temperature

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

Compost Ingredients

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!

Rock Candy Science

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

Arctic Tundra Animals

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Thermal Conductivity of Metals: Which Metal Is the Best Conductor of Heat?

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Under What Conditions Do Potatoes Sprout The Fastest

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