examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

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

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

This science fair project idea recreates the movement of planetary bodies in order to learn why they sometimes appear to move backwards.

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 explores whether a sundial is as accurate as an atomic clock when telling time.

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.

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

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!

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

What causes the seasons to change? Kids find out by modeling the earth's tilt using a globe, flashlight and graph paper in this cool science fair project idea.

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

In this fun experiment, we'll find out how color affects heat absorption!

Let your kid experiment with textures among fabric and other materials that are smooth, rough, soft, or slippery—and then they'll make a texture book!

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

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!

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

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

In this science fair project, young children observe, record, and create collections of shapes in their world and increase their powers of observation.

How does distance affect the spreading of light? Kids see diffraction and the inverse square law of light in action with this great science fair project idea.

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.

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.

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 which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!