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

Make a roaring rocket ship toy out of a paper towel roll and some tissue paper.

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.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

Create an outer space painting with chalk, water and black paper in this art project that explores the solar 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.

Help your child make an imaginative, inexpensive spaceship from recycled materials. When the spaceship is ready, count backwards from ten and then BLAST-OFF!

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.

This fun card game is a great way to help your child increase his speed and accuracy when solving integer problems.

Take some inspiration from the past and create some wood block prints with your fourth grader.

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

This activity is a great starting point for practicing mental math because it is quick, easy and involves only simple addition facts.