ASSESSMENT
Directions: Read and understand the sentences below. Fill in the blanks with the correct word to complete the idea of the sentence. Write your answers in your Science notebook/answer sheet.
____________________________________________
| opposite poles | | iron nail | | magnetic field | | strength | Magnets | Electromagnet | Dry cell | magnetism |
| Increasing | transmits |
_____________________________________________
1. Magnets has a property that attracts objects called __________.
2. In the field of communication, electromagnet ______ signals.
3. The _______ of electromagnets can be increased or decreased.
4. In a simple electromagnet setting, the ______ serves as the core.
5. The __________ of electromagnets exist only when electricity is flowing.
6. The source of electric current in the simple electromagnet set-up is the ______.
7. Magnets follow the fundamental law that _______ attract similar poles repel.
8. An ______ is a magnet whose magnetic properties are produced by electricity.
9. Metallic objects such as steel, nickel, cobalt, and iron are attracted to
_________.
10.One way of making electromagnets stronger is by ________ the number of coils
around an iron nail or core.
Directions: Read and understand the sentences below. Fill in the blanks with the correct word to complete the idea of the sentence. Write your answers in your Science notebook/answer sheet.
____________________________________________
| opposite poles | | iron nail | | magnetic field | | strength | Magnets | Electromagnet | Dry cell | magnetism |
| Increasing | transmits |
_____________________________________________
1. Magnets has a property that attracts objects called __________.
2. In the field of communication, electromagnet ______ signals.
3. The _______ of electromagnets can be increased or decreased.
4. In a simple electromagnet setting, the ______ serves as the core.
5. The __________ of electromagnets exist only when electricity is flowing.
6. The source of electric current in the simple electromagnet set-up is the ______.
7. Magnets follow the fundamental law that _______ attract similar poles repel.
8. An ______ is a magnet whose magnetic properties are produced by electricity.
9. Metallic objects such as steel, nickel, cobalt, and iron are attracted to
_________.
10.One way of making electromagnets stronger is by ________ the number of coils
around an iron nail or core.
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Answers & Comments
Answer:
1. ferromagnetic materials
2. Radio wave
3. loops of wire
4. iron
5. magnetic field
Explanation:
Sorry po until no.5 lang kaya ko.