What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

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.

Is your child a young ornithologist in the making?

Create a self-portrait from natural materials in this collage craft activity!

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.

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Teach your child how butter is created by shaking up cream the old-fashioned way.

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

In this project students experiment with making music using only glasses of water.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

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

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

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!