This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Are you looking for an out-of-this world activity that's both fun and educational? This solar system garland is a great way to introduce your child to astronomy.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

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

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?

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

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

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

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

Check out this cool and free middle school science fair project idea on how to make a solar oven.

Kids use applied math to build and test a parabolic mirror solar hot dog cooker in this cool engineering science fair project idea for middle school.

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

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

Kids construct a single fixed pulley system to learn how pulleys can make work easier in this cool physics and engineering science fair project idea.

What direction should solar panels face? It's not the direction you might think! This free and enlightening science fair project helps kids discover the answer.

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

Show your child the solar system and let them explore the stars and space by creating a painting. It's a fun and easy way capture your child's imagination.

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!

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Explore the belief in astrology as a predictive system.

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

Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Learn about the anatomy of the autonomic nervous system and its relationship to the rest of the body.

Can you think of a way of cleaning dirty water using the sun? In this activity, you will be making a "solar still" that is able to do just that!

This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.

This project examines which style of central-air system filter traps the most particles from the air.

Develop a new system for predicting geographic changes. Demonstrate the nature of geographic change. Make logical predictions.