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Compare air temperature with the infrared temperature from a reflecting surface at different times of the day, in shade and in sunlight.

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

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

This Pysanky egg-decorating activity is perfect for young artists. Bring a little color and creativity to any holiday with this traditional Ukrainian craft.

This science fair project idea discovers the effect of (high) heat on animal cells.

The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

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

Science fair project that compares the freezing temperature of salt water and freshwater in order to learn about supercooling and condensation nuclei.

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.

Teach your child what a sugar plum is with this easy recipe that gets your child to chop, mix, and roll his way to a delicious treat.

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.

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!

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

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

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

Kids make strong bubbles to investigate the effect different additives have on bubble life in this cool science fair project idea.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

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.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

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

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

Can cells be frozen? This science fair project provides information to answer this question.

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

This project examines the concentration of dissolved oxygen in water, with and without oil.

The purpose of this science fair project is to investigate whether cooking seeds before planting will speed up germination and growth.