Object: A thermometer
Good morning, boys and girls. What do I have here? It's a thermometer. What do you do with a thermometer? That's right, you measure the temperature--whether it is hot or cold. This thermometer is for measuring the temperature of our bodies. Other thermometers might measure how hot or cold it is outside. We generally like to know how hot it is so we can dress accordingly. In the summertime there is another way to find out how hot it is. You can listen to crickets. Adult male crickets produce chirping noises …
Dynamic Preaching, Collected Sermons, by King Duncan