A. Objective The learners should be able to investigate changes that happen in the absence of oxygen. B. Materials ● fire. Activity: TITLE: ABSENCE OF OXYGEN Jar with cover (Jar A) Jar without cover (Jar B) 2 same sized candle (small) Match or lighter Timer Ruler C. Precautionary Measure Remember to handle match or lighter carefully and don't play with it for it can cause D. Procedure 1. Label the jar with cover with Jar A and the jar without cover as Jar B. 2. Light the candles with a match and put the candles in each jar. 3. Record the time when the candles are lighted and the time when the light was put off. 4. Cover the Jar A and observe what will happen. 5. Measure the length of the candles after the flame was put off. 6. Record your findings on the chart below. Jars JAR A JAR B Time of the flame was put off Length of the candle after burning Answer the following questions: 1. Which of the 2 jars was the candle's flame put off first? 2. Which of the two candles has the shortest size? 3. What happen, when you cover the Jar A? 4. When the lighted candle in Jar A was covered, the flame was put off, what is the reason why the candle's flame did not continue to burn? 5. What are the 3 main components in combustion? Doss​

4. Sa pangkalahatang impresyon ng komposisyon, paano mo ituturing o iaangkop ang wakas ng talata na makikita sa bilang tatlo? A. Hindi imposible ang mas madaling pagbangon ng mga Pilipinong may matibay na puso. B. Kakambal na ng mga Pilipino ang unos sa buhay. C. Walang puwang sa puso ang paninisi ng isang taong matatag. D. Babangon, luluha, ngunit hindi susuko.​

Sa pangkalahatan, ang wakas ng talata na makikita sa bilang tatlo ay maaaring ituring o iaangkop bilang:

D. Babangon, luluha, ngunit hindi susuko.

Ang pahayag na ito ay nagpapahiwatig ng pag-asa, determinasyon, at katatagan ng isang indibidwal o ng mga Pilipino sa kabila ng mga pagsubok at kahirapan sa buhay. Ito ay nagpapahayag ng kahandaan na harapin ang mga hamon, pagtangis sa mga pagkakamali o kabiguan, ngunit hindi sumusuko at patuloy na lumalaban. Ito ay isang positibong mensahe na nagpapakita ng kakayahan ng mga Pilipino na bumangon at magpatuloy sa kabila ng mga pagsubok na hinaharap nila.