Science fair project that creates fog using bottles of hot and cold water.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This science fair project idea teaches that time always passes at the same rate and nothing we do in our daily life âreallyâ affects how fast it moves.

Help your kindergarten scientist predict and observe as she explores the science of smell...and have a great time doing it, too.

Determine which video game elevates the heart rate best and burns the most calories.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

In this fun activity, frozen cubes of paint provide your preschooler with a cool new way to paint a masterpiece.

Looking for a fun earth science project on continental drifts? Check out this fun science fair project idea to explore how Pangaea may have broken up.

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

Make homemade lemonade in a baggie with your preschooler with this fun and easy recipe.

Use pepper and soap to discover some fun facts about the properties of water.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

In this fun experiment, we'll find out how color affects heat absorption!

Construct batteries that make electricity from fruits with this fun science fair project.

This activity is a fun challenge for students who have just started learning to program educational robots.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

Figure out which fruit has the most vitamin C (ascorbic acid) in this fun science project!

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

Learn about this simple machine and make a pulley of your own to use for fun science trials.

Learn how to convert gravitational potential energy into mechanical energy in this fun science fair project idea.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Set up a fun guessing game for your curious kindergartener, one that will test her ability to use all five of her senses.

The goal of this fun science experiment is to explore the limitations of sight and learn working of the human eyes.

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

In this fun activity, your child will create their very own solar oven to bake s'mores!

Wreath ornaments decorate your Christmas tree and act as a fun sensory craft for preschoolers. Make wreath ornaments with your child this holiday season.