Subject: Science: Natural & Physical

Our Natural World Series (Science Shorts)

The series uses live-action footage and sophisticated computer animation to illustrate a variety of science-related topics and help viewers see how humans interact, and often clash, with the natural world. Produced by TVO. Programs available on 4 or 7 individual DVDs, Digital Streaming Files or Videos; also in a 4-Disc Set. For pricing call in US: 800.876.2447/Intl. 603.434.9262 or e-mail

List of Titles

Natural World 1: Life on Earth 1

Segments include: Earth: A Comfortable Place - How a unique mix of elements allows life on Earth to flourish; also, a comparison of Earth's temperature to the Moon's. Heating the Earth - How light is transformed into the energy that heats the Earth. Origins of the Solar System Click for more

Natural World 2: Life on Earth 2

Segments include: Life: Setting the Stage 1 - How life may have evolved in the seas billions of years ago. Life: Setting the Stage 2 - The division of life and the beginning of the oxygen-carbon dioxide interchange. Life: Setting the Stage 3 - Early oxygen-breathing organisms Click for more

Natural World 1 & 2

A combined version of Natural World 1: Life on Earth 1 and Natural World 2: Life on Earth 2 is available.
Natural World 1: Life on Earth 1
Segments include: "Earth: A Comfortable Place" - How a unique mix of elements allows life on Earth to flourish; also, a comparison of Earth's temperature Click for more

Natural World 3: Greenhouse Gases

Segments include: Greenhouse Effect 1: Normal - How the Greenhouse Effect impacts the environment and what takes place in an actual greenhouse. Greenhouse Effect 2: Runaway - How human-created excesses of carbon dioxide contribute to planetary warming. The Biosphere - The chemical Click for more

Natural World 4: The Carbon Cycle

"Recommended. The narrator reviews, with much colorful footage from the natural world, how carbon is responsible for life. He further outlines the complete dependence of animal life upon plant life, i.e. how plants remove carbon dioxide from the atmosphere through photosynthesis and return oxygen to it, thereby Click for more

Natural World 3 & 4

A combined version of Natural World 3: Greenhouse Gases and Natural World 4: The Carbon Cycle is available.
Natural World 3: Greenhouse Gases
Segments include: "Greenhouse Effect 1: Normal" - How the Greenhouse Effect impacts the environment and what takes place in an actual greenhouse. Click for more

Natural World 5: Soil and Root Systems

Segments include: Soil 1: Artificial - A look at requirements in a closed or artificial growing system and the difference between natural plant growth and a hydroponics set-up. Soil 2: Formation - What normal soil consists of and how it is formed. Root Systems 1: Fungi Helpers Click for more

Natural World 6: Acid Rain

Segments include: Acids 1: pH Scale - An introduction to acids and the pH scale; plus a look at the origins of acid rain. Acids 2: Acid Rain - Where various acids and bases rank on the pH scale; plus the most damaging forms of acid rain, caused by sulfur dioxide and nitrogen dioxide. Acids Click for more

Natural World 5 & 6

A combined version of Natural World 3a: Soil and Root Systems and Natural World 3b: Acid Rain is available.
Natural World 5: Soil and Root Systems
Segments include: "Soil 1: Artificial" - A look at requirements in a closed or artificial growing system and the difference between natural Click for more

Natural World 7: Water

Segments include: What is Water? - How one slightly negative oxygen atom combines with two slightly positive hydrogen atoms and attract each other to form water. Salinity - How water can carry dissolved minerals and chemicals; also how magnetic charges within water molecules separates sodium Click for more