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.

Help your child celebrate the summer and the sun by making a sandy seascape.

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

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

This experiment works due to a simple principle: plants need light. Build a shoebox maze and watch the plant work though the obstacle course, searching for sun.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

What makes your shadow dance around all day? Let's play detective and find out why that sneaky shadow never stays in one place for long.

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.

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

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

This project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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

Introduce your child to science with something they see everyday--their shadow!

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

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 science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

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.

Bring the magic and mystery of the night sky to the light of day with this fun constellation art project!

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?

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

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!

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