In this lesson, you will learn about “electricity and magnets,” one of the especially important topics in matter and energy. Rather than memorizing words alone, aim to explain the mechanisms and reasons in your own words.
Key Points
Electricity flows when a circuit forms a complete loop. The strength of an electromagnet changes depending on the electric current and the number of turns in the coil.
Electricity flows when a circuit forms a complete loop. The strength of an electromagnet changes depending on the electric current and the number of turns in the coil.
Points to Remember
- Check the reasons, not just the conclusions
- Distinguish similar words and exceptions
- Try applying the same way of thinking to other examples
Practice
- Explain the key points in two sentences.
- Give one common misunderstanding and explain what is different about it.
- Check your understanding by applying it to familiar or specific examples.