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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.

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

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.

Use this great no-bake recipe to save energy and keep cool.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

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

Here is an activity that your kids can make for Mother's Day, a garden pot filled with edible "flowers".

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.

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

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.

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

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!

Combine art, history and food with this unique project! Your child will make her own butters, and learn a little about Colonial history at the same time

Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

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!

Transform your kitchen table into a winter wonderland with a cookie and cocoa party that looks freshly dusted with snow.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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!

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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?

Thousands of witches that come out to celebrate Halloween. Now, your child can make her very own self-standing witch.

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.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

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