1. CHANGES IN MATTER CH 2 SEC 2

2. Pick 5 terms and define

3. PHYSICAL CHANGE
PHYSICAL CHANGE -IS ANY CHANGE THAT ALTERS THE FORM OR APPEARANCE OF MATTER BUT DOES NOT CHANGE THE SUBSTANCE
KEY- A SUBSTANCE THAT UNDERGOES A P.C. IS STILL THE SAME SUBSTANCE AFTER THE CHANGE.
EX- CHANGE OF STATE, SHAPE, FORM, ETC

6. Is this a Physical change?

7. CHEMICAL CHANGE
CHEMICAL CHANGE- A CHANGE IN MATTER THAT PRODUCES ONE OR MORE NEW SUBSTANCES.
EX- BURNING A SUBSTANCE
COPY EXAMPLES OF CHEMICAL CHANGE FIG. 13 P. 70

10. Is this a chemical change? Why?

12. LAW OF CONSERVATION OF MATTER
LAW OF CONSERVATION OF MATTER- STATES THAT MATTER IS NEITHER CREATED NOR DESTROYED DURING ANY PHYSICAL/CHEMICAL CHANGE.
EXAMPLE- IF YOU BURN A LOG AND YOU COULD CAPTURE THE SMOKE, ASH AND GASSES RELEASED IT WOULD HAVE THE SAME MASS AS THE LOG

13. What is happening?

15. ?

17. Is there the same amount of matter on each side of the Arrow?

18. WHAT IS THE LAW OF CONSERVATION OF MASS? EXPLAIN THE PICTURE BELOW

19. QUESTIONS AND ANSWERS use the text p. 72
1- ABC
2- ABC

20. VIDEOS https://www.youtube.com/watch?v=3lHHOiTdmK4
bill nye