คำแนะนำของผู้เขียน
- Anna has an iron rod in her drawer. She wants to check if it is a magnet or not. How can she check? Help her.
- Describe two ways a temporary magnet can be made.
- What is a magnetic field?
- What is the neutral point of a magnet?
- Are Electricity and magnetism related? Support your answer.
- Give at least 3 uses of electromagnets in homes.
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คำแนะนำของผู้เขียน
- Anna has an iron rod in her drawer. She wants to check if it is a magnet or not. How can she check? Help her.
- Describe two ways a temporary magnet can be made.
- What is a magnetic field?
- What is the neutral point of a magnet?
- Are Electricity and magnetism related? Support your answer.
- Give at least 3 uses of electromagnets in homes.