All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

This activity turns your kid into the family weatherman. Plus, it teaches him to collect data and begin to understand graphing.

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

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

How much does 100 weigh? Play this fun guessing game with your child to commemorate the 100th day of school.

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!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

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

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

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

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

This science fair project idea determines which flower lasts the longest.

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

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.

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

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

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

Free science fair project idea that examines air pollution in local environments. Particles are trapped by petroleum jelly on microscope slides.

Add these fun chocolate Groundhog Day cupcakes to your holiday desert recipe repertoire! They're fun to make with your kids and a delicious winter snack.

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.

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

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

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