In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

These pretzel reindeer cookies are a great holiday recipe for kids to make. Rudolph and the whole gang agree!

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.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

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

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

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

Pumpkin carving party activities are great for a pre-Halloween party. Try pumpkin carving party activities, including jack-o'-lantern ideas and fall recipes.

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

This activity spotlights everyone's favorite reindeer, Rudolph, and preserves your child's handprints in his "antlers".

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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.

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

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

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

Determine how salinity affects the circulation of warm and cold water. Note whether the warm water mixes or forms a layer with cold water.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

Explore how you can achieve magnetic levitation with the Meissner Effect! This cool science project explains formation and applications of a superconductor.

Science fair project that uses distillation to convert salt water into fresh water.

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

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

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

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

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

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!

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!