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In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

You've heard all about oil spills, but can they really be that bad? After all, vegetable oil is in almost every yummy baking good from cookies to brownies.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

Chemistry is a blast with this backyard bomb made from a sandwich bag. All you need are ingredients from the pantry to create a satisfying, and safe, explosion.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

Make a bear cave for your child to play and explore, learning about bears and winter hibernation.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

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

Your preschooler is familiar with the colors in their crayon box, but can they find these colors in the world? Take them on a scavenger hunt to find out!

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Your child will decorate a headband with any bugs they can think of, then they'll add antennae so they can pretend to be a bug!

Introduce your child to the amazing, almost magical phenomenon of static electricity!

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

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.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.