Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Nature is the greatest teacher, and you can help facilitate the lesson! Here's how to create a supply backpack to get your kid ready for science action!

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

In this science fair project, young children notice and track changes in trees throughout the year.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Children will learn all about cause and effect as they experiment with potion-making in this Halloween themed activity.

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

In this activity, your child will be challenged to build a tall tower out of building bricks! The instructions include questions prompts to guide students through the design challenge.

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.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

In this experiment we will be determining whether birds prefer certain colors of seed.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

Enter the buzz worthy world of bee watching and find out what time bees like to wake up!

Help your kindergarten scientist discover relative size, density, and buoyancy with this fun, pumpkin science project!

Discover whether cold or hot water from the faucet will boil faster on the stove.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

This activity allows your kindergartener to translate what they observe into a beautiful poem.

Travel back to the Jurassic age with this creative dinosaur activity that would make a great addition to any wall or fridge.

Use sticks and stones to create create an outdoor version of tic-tac-toe!

Combine science with reading and art to help your first grader create an attractive holiday gift for a beloved friend or relative.

Here is a kindergarten activity that blends art and science by using magnets, paint, and objects found around the house to create a picture.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Create a three-dimensional X-ray of your child's hand in this simple modeling activity. All you need to get started are black paper and drinking straws

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.