Wh Activity 1 Directions: Go over the passage silently. Figure out the meaning of the italicized compound word by looking for its synonym. Write your answer in your notebook Wristwatches became popular in the 1920's. The first ones to be used were sold in the market. Powered by quartz crystals, electronic watches of today vibrate in their self-winding. Then in the 1950's, battery-operated wristwatches were manufactured and natural frequency. There are also digital quartz watches that display time in numbers. Their battery is either LED which stands for light-emitting diodes or LCD for liquid crystal display. What kind of wristwatch do you use? Is it a self-winding one or electronic? Is it be, watches and clocks are counting mechanisms that measure the passage of time and digital or the conventional one with the hour hand and the minute hand? Whichever it may further help you follow your timetable. 1. You've got a new ew wristwatch which is similar to my two-year-old timepiece. 2. The clock hands and numerals are luminous or light-emitting for they glow even in darkest place. 3. Self-winding watches became popular in the 1920's so did automatic clocks. 4. The schedule of flights to the south is as tight as the timetable of sea trips. 5. Celebrating a fiesta is a time-honored Filipino tradition that dates back as a long-established Spanish culture centuries ago.​