Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

What's the best way to make DIY compost? Kids will learn about aerobic and anaerobic decomposition while learning to appreciate the value of composting.

Help your child explore chromatography, which is the process of separating colors or pigments, and create a neat art project in the process!

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

This fun marbled paper craft uses things you're likely to have around your house, and it teaches kids some simple chemistry too!

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

Using a toy race car kids create a visual model of the Doppler Effect.

In this classic Ivory soap experiment, kids learn what happens to different types of soap in the microwave, and why!

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

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

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Certain fruits can change gelatinâs ability to set. In this experiment, kids will discover what happens when gelatin meets pineapple enzyme.

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Kids will learn some cool stuff about chemical reactions by determining what happens when you mix different concentrations of hydrogen peroxide and yeast.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This activity is a great way to teach kids that, to find examples of science in action, they donât need to look any further than their own backyard.