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In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Make this delicious warm apple bread for Hanukkah.

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

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

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.

The objective of this experiment is to evaluate the effects of acid rain on plants.

The objective of this science experiment is to evaluate the affects of high and low heat capacity on a material's heat retention ability.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Store seeds under three different environmental conditions. Plant seeds in carefully marked groups, watch them grow. Compare results.

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!

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

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

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.

This project concerns activity happening millions of miles away, on the sun.

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

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

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.

Determine whether the application of Febreeze will lower the bacterial count.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

Determine which metal has the highest rate of conductivity.

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

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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.