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.

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.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

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

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

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

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.

In this fun activity, your child will create their very own solar oven to bake s'mores!

This project examines whether people's taste perception is influenced by what they see.

Make a spring collage with your child to get them outside and those creative juices flowing!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

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

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project idea investigates the difference in reaction times between boys and girls.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

Explore if planting seeds in a certain direction will affect how fast it germinates.