Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This paper heart craft is a simple Valentine's Day activity that gets kids to exercise their fine-motor skills. Make a paper heart craft with your child this February.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

How good are humans at sound localization? Kids can try this cool science fair project idea to see how good their friends are at judging sound direction.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

This activity uses the signs and words kids see around them every day, to create a book they can read on their own.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Halloween spider decorations give your house a creepy vibe on All Hallow's Eve. Make these Halloween spider decorations with your kids this October.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

What does yeast eat? Sugar, of course. But yeast also has some powerful enemies in the form of antifungal agents! Kids test them out in this fun yeast lab.

For most kids the fun is in the process, and making a dollhouse out of cardboard boxes is as creative as it gets! Here's how to make your own dollhouse.

This activity will inspire adults and kids alike to take time to explore the beauty in their community and discover the colors of fall while developing their descriptive and creative writing skills! 

Most kids love to play spy. Here's a way to have fun with mysterious codes while mastering an ordinary, necessary skill: first grade spelling.

This kids' activity is fun to perform and impressive to watch. Plus, it's a great example of Newton's First Law of Motion at work.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Using aluminum is a great way to recycle and make some shiny ornaments borrowing from this traditional Mexican art form. Here's an easy kids' activity!

First grade math includes lots of work with two-digit numbers. Here's an activity to help kids practice recognizing and sequencing numbers from 1-30.