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!

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

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

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

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

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

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

This science fair project idea identifies clouds as a means of predicting the weather.

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

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

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.

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

This experiment investigates if stress alters body temperature.

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

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.

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

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

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

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

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

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

This fall, bake some festive caramel apple cupcakes with your second grader and help her build her math skills while you're at it!

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

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!

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

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

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

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