Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

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

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

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

In this science fair project, students examine how temperature affects sugar transport within a plant.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

These cute holly-shaped hair clips are a breeze to make for holiday celebrations. They make a great party activity, too!

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

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.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

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

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.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

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

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

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

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

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

Help your child practice her counting as she makes this fun and festive holiday decoration!

If you love the idea of handing out holiday tins of homemade cookies but you're not a baker, chocolate-covered apples are the perfect solution.

This Christmas plate features your child's favorite holiday things through drawings. Make a Christmas plate with your child this holiday season.

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

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!

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

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.

Check out this cool science fair project idea to explore non-chemical means of preserving fruits by using thermotherapy.

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.