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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!

Making Candles from Old Candles

Want a fun way to teach your kid to tell time? Making a plate clock is a great way for him to learn how to tell time in a way he'll actually find exciting.

Telling Time: Plate Clock

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Snow to Liquid Ratio

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

Does Storing Cucumbers and Tomatoes in the Fridge Spoil Its Unique Flavors?

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

Guess the Weight!

What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.

Cooling Food: Microwave vs. Oven

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Unpuckering the Persimmon

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 to Make a Hygrometer: Sling Psychrometer

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

Energy Efficient Windows

The crust is fun for kids to mix and roll out, and the filling overflows with vitamin and anti-oxidant packed berries!

Blackberry Pie

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Angle of Heat

Your child can turn cookie dough into a big pile of colorful painted fall leaves ready for eating!

Bake Fall Leaf Cookies

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?

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Specific Heat of Water vs. Specific Heat of Sand

Instead of loading up on mayonnaise based potato salad, your child can whip up something healthier: German potato salad!

German Potato Salad

In this fun experiment, we'll find out how color affects heat absorption!

Which Color Absorbs the Most Heat?

What’s the best part of fall? Pumpkins! Use this easy recipe to help your child make some delicious smelling pumpkin play dough. They can use their math skills to measure and mix and then have hours of fun playing!

Pumpkin Play Dough!

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 simple experiment serves as an introduction to the greenhouse effect.

Observe the Greenhouse Effect in a Jar

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.

Ocean Currents

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

Heat from Light Bulbs

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

Greenhouse Project

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

Temperature Game

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Rubber Band Heat Engine

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?

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