What I Know
Directions: Read and understand the sentences well. Write True if the sentence is correct and False if it is not. Write your answers in your Science notebook/ answer sheets.
1. In magnets, similar poles attract.
2. Electromagnets can't lift heavy objects.
3. The strength of an electromagnet is permanent.
4. A magnet is a material that pulls/attracts metallic objects.
5. An electromagnet is a temporary magnet.
6. Magnetism is the property of the magnet to attract metallic objects.
7. The more coil the iron nail or core has, the lesser the magnetism or attraction.
8. When the electricity stops flowing in an electromagnet, magnetism continues to flow.
9. Electromagnetism is the ability of the wire to carry electricity to produce a magnetic current.
10. The iron nail or core is the part of the electromagnet where magnetic flux made by the current is concentrated.
