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​

1. This is the slot where the random-access memory (RAM) is installed. 2. This where we connect all peripheral devices. Take note of the word with bold and italic formatting 3. This is the slot where the microprocessor is installed. 4. This is the slot where the Video card in installed. 5 & 6 These are the two-chipset controller of the motherboard one of which controls the arithmetic and logic functions of the motherboard. These two parts talks about directions. 7. Arrange the jumbled letters TERA BYTS COM this keeps the synchronize time of the computer BIOS in the motherboard. You can also find this in your wristwatch as its mechanical battery. 8. Other term for video card. 9. This is another slot where the Network Adapter can be installed. 10. This is where the SATA connector of the hard drive is controlled.​

Answer:

1. This is the slot where the random-access memory (RAM) is installed. - RAM slot

2. This where we connect all peripheral devices. - Input/output (I/O) port

3. This is the slot where the microprocessor is installed. - CPU socket

4. This is the slot where the Video card in installed. - Graphics card slot

5 & 6. These are the two-chipset controller of the motherboard one of which controls the arithmetic and logic functions of the motherboard. These two parts talks about directions. - Northbridge and Southbridge

7. Arrange the jumbled letters TERA BYTS COM this keeps the synchronize time of the computer BIOS in the motherboard. You can also find this in your wristwatch as its mechanical battery. - CMOS Battery

8. Other term for video card. - GPU (Graphics Processing Unit)

9. This is another slot where the Network Adapter can be installed. - Ethernet port or LAN port

10. This is where the SATA connector of the hard drive is controlled. - SATA port