| Subject |
Lessons |
Description |
| Science |
3-1 The Inner Planets |
Mercury, Venus, Earth, Mars and the Asteroid Belt |
| Science |
3-2 The Gas Giants & Pluto |
Jupiter, Saturn, Uranus, Neptune, and Pluto |
| Science |
3-3 The Balance of Nature |
Plants, Animals, Bacteria, Fungi and their Role in Nature |
| Science |
3-4 Ecology |
The Environment |
| Science |
3-5 Human Body - Nervous System |
The Nervous System and How it Works |
| Science |
3-5-1 The Ear |
The Ear and How it Works |
| Science |
3-5-2 The Eye |
The Eye and How it Works |
| Science |
3-6 Static Electricity |
Protons, Neutrons, and Electrons |
| Science |
3-7 Simple Circuits |
How a Simple Circuit Conducts Electricity |
| Science |
3-8 Chemistry |
Mass, Volume, and Density |
| Science |
3-9 Stars |
How is a Star Formed? |
| Science |
3-10 Stars |
The Death of a Star |
| Science |
3-11 Black Holes |
How do Black Holes Form |
| Science |
3-12 Hot-Air-Balloons & Blimps |
Hot-Air Balloons and Blimps |
| Science |
3-13 Helicopters |
Helicopters |
| Science |
3-14 Sailplanes and Hang Gliders |
Sailplanes and Hang Gliders |
| Science |
3-15 Airplanes |
Airplanes - Kinds and Uses of Each |
| Science |
3-16 Food Pyramid |
Food Pyramid - Six Food Groups |
