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​

ANSWER THIS: 1. Mark (want, wants) to go to the park. 2. Jessa and May (love, loves) to walk together going to school. 3. He (pray, prays) before going to sleep. 4. She (read, reads) book every day. 5. They (clean, cleans) the windows and the floor. 6. The child (sleep, sleeps) at 8:00 in the evening. 7. The children (run, runs) along the playground. 8. People (walk, walks) along the busy road. 9. My lola (cook, cooks) my favorite dish. 10. The birds (drink, drinks) water from the fountain.​

Answer:

1. Mark wants to go to the park.

2. Jessa and May love to walk together going to school.

3. He prays before going to sleep.

4. She reads a book every day.

5. They clean the windows and the floor.

6. The child sleeps at 8:00 in the evening.

7. The children run along the playground.

8. People walk along the busy road.

9. My lola cooks my favorite dish.

10. The birds drink water from the fountain.