抄録
The teaching tool utilized on learng the compression ignition engine in the class of junior high school industrial arts and homemaking course was produced, and the learning effect was examined by lesson practises. This teaching tool is the one utilizes the adiabatic compression. And it was improved upon the former one for the students to use more easily. By this teaching tool, the students can learn the principle of ignition through the experiments. Using this teaching tool, the students could do the experimental learning more well than before and the students who show the interest in learnig the expansive contents increased.
