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5. What could you infer from Learning Task 4. Prepare the materials listed below. You may ask the help of your parents/guardians of any adult members of the family if needed. Title: "How is heat transferred?" Materials: SET A SET B -alcohol lamp/candle -hot water -matchsticks/lighter coffee mug -clamp/tong -metal spoon -Metal rod or a nail -timer/stopwatch -margarine -plastic spoon Procedures: SET A 1. Light the alcohol lamp/candle with a matchstick or lighter. (Ask the help of an adult in doing this activity.) 2. Scoop margarine from its container then spread it to the half-end, close to the head of the nail. 3. With the use of a pair of tongs, hold the part of the nai where you spread the margarine. 4. Slowly bring the part of the nail without margarine to the tip of the flame of the alcohol lamp or candle. Hold the nail in the flame until you observe a change in the margarine. 5. Record your observations. Questions: 1. What happened to the margarine on the nail? 2. Why do you think the change took place even if it was not directly exposed to the flame? 3. If we are using a metal tong and continue to expose the nail to the flame, what do you think will happen to the metal tong?​

Sagot :

Answer:

Learning Task 2. Prepare the materials listed below. If not available, you may

use other materials at home to perform the activity. You may ask the help of

your parents/guardians or any adult members of the family if needed.

Title: Electromagnet Model

electrical wire

thumbtacks

Materials:

1 battery

1 large iron nail

pins

Procedures:

(Note: Make sure that the iron nail does not have any rust. Be careful in

handling materials. ]

1. Make an electromagnet by winding the electrical wire around the

large nail

2. Connect both ends of the wire to a dry cell.

3. Test the electromagnet by placing some pins and thumbtacks neo

the nail Does the nal attract the pins and thumbtacks?​

Explanation: