H 3. What are the five signs of a chemical change?
- Color
- temperature
Percepatate
- Odar gas
4. What is the most important thing you need to remember for a physical change?
Composition does not change
5. What happened in the video when sodium and chlorine are combined?
Sodium Chloride
6.
BONUS: What is the water used as in this reaction? HELP WITH 6 PLEASE

The field lines around one end of a bar magnet are shown below based on the diagram, what can you conclude about the pole of the magnet? a. is a south pole because the field hnes spread out from this end b. a north pole because the field lines spread out from this end c. a nouth pole because the field lines enter the magnet at this end d. is a north pole because the field lines enter the magnet at this end