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

This project examines the affect of temperature on viscosity and surface tension of different liquids.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

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

The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

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

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

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

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

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

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

Solve the mystery of the unpoppable balloon in this 7th grade science experiment that demonstrates the process of heat transfer.

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

This cookie dough handles like molding clay, but also makes delicious cookies. Use this activity to strengthen your child's alphabet skills.

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Cookie catastrophe! In this project you will determine if different types of cookie sheets can cause cookies to bake differently.

If you're looking for a fun way to have your child gain practice pattern-making while working out fine motor skills, making Washi eggs is the perfect activity.

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.

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

Practice measurement using centimeters in this fun math race designed for your second grade student!

Encourage your child to compare and contrast a wide variety of autumn-themed items by weighing various objects and recording their findings.

This potato cannon activity teaches your middle schooler about the principle of Boyle's Law. Make a potato cannon and have a blast learning about science.