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.

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

This project compares the strength of one, two, and three-ply toilet paper.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

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

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

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

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

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!

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 teaches how the gases and pollution in the air affect the earth's atmosphere temperature.

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?

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

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.

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!

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

This science fair project idea examines which type of insulation holds in the most heat.

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

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

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

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

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

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

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.

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

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

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

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

How powerful is the reaction between baking soda and vinegar? Find out here!