| Subject |
Lessons |
Description |
| Science |
1-1 How Hot or How Cold? |
Practice Telling Temperatures |
| Science |
1-2 Animal Habitats |
Living Things and Where They Live |
| Science |
1-3 The Human Body - Bones |
Our Body's Bones |
| Science |
1-4 The Human Body - Muscles |
Our Body's Muscles |
| Science |
1-5 The Human Body - Heart |
The Heart and How it Works |
| Science |
1-6 The Human Body - Digestion |
How Food is Digested |
| Science |
1-7 The Human Body - Brain |
How the Brain Works |
| Science |
1-8 Matter - Solids, Liquids, & Gases |
Solids, Liquids, and Gases |
| Science |
1-9 Electricity |
How Electricity Works |
| Science |
1-10 The Solar System |
The Nine Planets in our Solar System |
| Science |
2-1 Simple Machines |
Levers, Wheels, Pulleys, Inclined Planes, Wedges, and Screws |
| Science |
2-2 The Water Cycle |
Evaporation, Condensation, and Precipitation |
| Science |
2-3 Magnetism |
Magnets and Magnetism |
| Science |
2-4 Using a Compass |
Using a Compass |
| Science |
2-5 Insects |
How Insects are Harmful and Helpful |
| Science |
2-6 Insects |
The Parts of Insects |
| Science |
2-7 The Human Body - Cells |
Our Cells |
| Science |
2-8 The Human Body - Systems |
Cells, Tissues, Organs, and Systems |
| Science |
2-8-1 The Human Body - Digestive System |
The Digestive System |
| Science |
2-9 Plants |
The Life Cycle of Plants |
| Science |
2-10 Animals - Life Cycle |
The Life Cycle of a Frog |
| 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 |
| Science |
4-1 The Circulatory System |
The Circulatory System and How it Works |
| Science |
4-1-1 Arteries, Veins, & Capillaries |
More About the Circulatory System |
| Science |
4-1-2 The Heart |
How the Heart Works |
| Science |
4-2 Human Body - Respiratory System |
The Respiratory System and How it Works |
| Science |
4-3 The Earth |
The Crust, Mantle, and Inner & Outer Core |
| Science |
4-4 The Earth's Plates |
The Plates that make up the Earth's Crust |
| Science |
4-5 Faults & Volcanoes |
Faults, Tsunamis, and Volcanoes |
| Science |
4-6 The Earth's History |
The Precambrian and Paleozoic Eras |
| Science |
4-7 The Earth's History |
The Mesozoic and Cenozoic Eras |
| Science |
4-8 Fossils |
Different Kinds of Fossils |
| Science |
4-9 Fossil Fuels |
Fossil Fuels and Their Importance to Man |
| Science |
4-10 Other Energy Sources |
Hydroelectricity, Nuclear, Wind, Solar and Geothermal Energy |
| Science |
4-11 Concept of Force |
Understanding the Concept of Force |
| Science |
4-12 Concept of Pressure |
Understanding the Concept of Pressure |
| Science |
4-13 Concept of Work |
Understanding the Concept of Work |
| Science |
4-14 Concept of Power |
Understanding the Concept of Power |
| Science |
4-15 Concept of Speed |
Understanding the Concept of Speed |
| Science |
5-1 Alternating Current |
The Differences Between Direct and Alternating Current |
| Science |
5-2 External Combustion Engines |
Steam and External Combustion Engines and How They Work |
| Science |
5-3 Matter & Mass |
Discover the Difference between Matter and Mass |
| Science |
5-4 Solids, Liquids, & Gases |
Solids, Liquids, & Gases |
| Science |
5-5 The Parts of the Cell |
The Parts of a Plant and Animal Cell |
| Science |
5-6 Photosynthesis |
Photosynthesis |
| Science |
5-7 Flowers |
Fertilization and Seed Development |
| Science |
5-8 Asexual Reproduction |
Asexual Reproduction |
| Science |
5-9 Reproduction of Mosses and Ferns |
Reproduction by Spores |
| Science |
5-10 Sexual Reproduction |
Sexual Reproduction in Animals |
| Science |
5-11 The Skeleton |
The Bones of the Skeleton |
| Science |
5-12 Global Warming or Climate Change |
Global Warming and Climate Change |
| Science |
5-13 The Greenhouse Effect |
The Greenhouse Effect and the Climate |
| Science |
5-14 Becoming GREEN |
Ways to be GREEN |
| Science |
5-15 Internal Combustion Engines |
How does an Internal Combustion Engine Work? |
| Science |
6-1 Human Body - Skeletal System |
The Skeletal System |
| Science |
6-2 The Immune System |
The Human Body and its Defense System |
| Science |
6-3 Diseases & How They Spread |
Communicable & Non-communicable Diseases |
| Science |
6-4 Light |
Speed, Refraction, and the Spectrum of Light are Investigated |
| Science |
6-5 Light |
Transparent, Translucent, and Opaque Materials are Explored |
| Science |
6-6 Reflection & Refraction |
Reflection and Refraction |
| Science |
6-7 Sound |
Speed and Wavelengths |
| Science |
6-8 Chemistry |
Atoms and Elements |
| Science |
6-9 Chemistry |
The Periodic Table |
| Science |
6-10 Chemistry |
Atomic Weight |
