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While most chemical reactions take place almost immediately, there are some which can be made to occur after a timed delay. These are the so-called clock reactions. By varying the temperature or co...
The progress of sciences such as chemistry is due to the work of many great men. These men have made their mark in science by their curiosity and their efforts to understand natural laws. Some of t...
Changes in nature are classed as either physical or chemical changes. Examples of both types of changes are shown. Simple chemical reactions such as the burning of magnesium and phosphorous are dem...
In this program, film sequences illustrate the steps in the prison separation and analysis technique, and an inmate tells of his experience with the classification system. Criminologist Joseph D. L...
Brushy, Susie-Q and Linda leave so much litter when they play in the park that the clean-up man has to stay late to tidy up after them. When the children realize that they are keeping him from a pa...
Clever Elsie really isn't very clever at all. Marionettes tell the story of Clever Elsie who sweeps with the broom upside down to keep from wearing out the straw. One day, Clever Elsie goes to the ...
Dora shows the audience how to make a clam and a bird puppet. Dora and Fignewton put on a play about Clifford the Clam who gets a sore foot from jumping too high.
Bash tells us that there were no clocks or watches aboard the Mayflower and that the watch was invented after the first settlers in America had landed. The history of mechanical methods to tell tim...
The neighborliness of people in the South gives rise to many stories of help to others living nearby. The assistance with plowing, picking of crops and helping “catch up on work” is told, then the ...