1. Addition is easy (10:56)

Date:
1948
Summary:
Billy learns to add his savings, consisting of various coins, and the prices of things he wants to buy, in order to compare the totals. Explains the units place, the tens place, and the operation of carrying over.

2. Alaska : a modern frontier (revised) (10:42)

Date:
1948
Summary:
Presents many aspects of life in Alaska today, featuring agriculture, air transportation, and mining. Shows modern Eskimos, several cities, and a variety of scenery.

3. Algebra in everyday life (10:42)

Date:
1948
Summary:
Jim shows Grace how she can use algebra to find out the quantities of red and yellow paint she needs to make enough orange paint to complete some stage scenery. Demonstrates the algebraic steps of observation, translation, manipulation, and computation, and mentions other uses of algebra.

4. Ants (11:02)

Date:
1948
Summary:
Describes the life cycle of ants and illustrates each of the four stages of development. The care, feeding, and protection of the young, a battle between mound-builder and wood ants, the growing of wings on both male and female preparatory to swarming season, and the work of queen ants are shown.

5. Arctic borderlands in winter (10:58)

Date:
1948
Summary:
Shows the adaptation of animal and plant life to the rigors of winter around Hudson Bay, where evergreen forests give way to treeless tundra. Includes Indians, their sled dogs, their homes, birds, and animals such as caribou and otters.

6. Arteries of life (09:52)

Date:
1948
Summary:
The third in the "Living Earth" series. Shows the interrelationship of water and forests in supplying life-giving moisture to topsoil. Pictures what happens when forests are destroyed and water is no longer stored in the ground.

7. Baby meets his parents (10:48)

Date:
1948
Summary:
Explains how the developing personality of the child is influenced by the manner in which his parents provide for his basic needs and prepare him for social living.

8. British Isles (11:08)

Date:
1948
Summary:
Surveys the geography, industries, and commerce of England, Ireland, Scotland, and Wales. Uses animated maps to locate centers of population and industry and to show Britain's development as a world center of commerce and transportation.

9. British Isles (11:08)

Date:
1948
Main contributors:
Encyclopaedia Britannica Films, inc., Harold S. Kemp
Summary:
Surveys the geography, industries, and commerce of England, Ireland, Scotland, and Wales. Uses animated maps to locate centers of population and industry and to show Britain's development as a world center of commerce and transportation.

10. Conditioned reflexes : an introduction to the work of Ivan Pavlov (20:09)

Date:
1948
Summary:
Shows Ivan Pavlov testing his theory of conditioned reflexes by observing the conditioned and unconditioned saliva flow in a dog, feeding fish conditioned to various hunger stimulants, educating a puppy to a meat diet, and observing a squirrel's response to danger. Distinguishes between blind instinct present in all animals from birth and reflex actions set up by conditioning to certain oft-repeated stimuli. Explains the process of checking reflexes and shows its application in the treatment of certain neuroses in human beings.