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Make this delicious warm apple bread for Hanukkah.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

This Christmas plate features your child's favorite holiday things through drawings. Make a Christmas plate with your child this holiday season.

Work on measurement by sliding cards along a table with your second grader in this fun game. Use centimeters or inches, add up your totals, and see who's won!

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

This pumpkin dessert recipe tastes like pie but looks like a no-bake cookie.

Examine the presence of seeds in open fields. Collect seeds on socks by walking through open fields of grass or other growth. Germinate seeds on socks

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.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

A fun activity for a hot day, this will give young kids a chance to experiment with beginning science and math â and splash around in the process!

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

Make this delectable custard, meringue, and graham cracker pie will give your fifth grader practice with measurement and get him interested in the kitchen.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Get back into school with this exciting architecture exploration! In this craft activity your child will research, draw, and build his own school.

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.

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.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

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

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Dig up some dinos while promoting curiosity and sensory skills in this hands-on activity that will have your child searching for prehistoric treasure!

Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

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

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.

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.