freezing and melting (Grade 8 Science) 3rd quarter

1. PHASE
CHANGE OF
MATTER

2. M _ L T _ N _

3. M E L T I N G

4. S _ L _ _

5. S O L I D

6. L _ Q _ _ D

7. L I Q U I D

8. F _ E _ Z I _ G

9. F R E E Z I N G

10. MELTING
AND
FREEZING

11. ACTIVITY 3.3
“MELT ME”

12. 1.EXPLAIN WHAT HAPPENED
TO THE PARTICLES OF WATER
IN ICE AS IT TURNS TO LIQUID
USING THE PARTICLE MODEL
OF MATTER.

13. 2.WHAT WILL HAPPEN TO THE
LIQUID ON THE SAUCER IF IT IS
TRANSFERRED INTO A SMALL
CONTAINER AND LEFT INSIDE THE
FREEZER AFTER A FEW HOURS OR
OVERNIGHT?

14. 1.EXPLAIN WHAT IS HAPPENED
TO THE PARTICLES OF
CANDLE AS IT TURNS TO
LIQUID USING THE PARTICLE
MODEL OF MATTER.

15. 2. WHAT WILL HAPPEN TO THE
LIQUID PARTICLE OF CANDLE ON
THE SAUCER IF IT IS LEFT AFTER A
FEW HOURS OR OVERNIGHT?

16. MELTING

17. MELTING
IS THE PROCESS WHEREIN
SOLID
TURNS INTO A LIQUID

18. HEAT IS
ADDED
LiquidSolid

19. FREEZING

20. FREEZING
IS THE PROCESS WHEREIN
SOLID TURNS INTO A GAS

21. HEAT IS
REMOVED
Liquid Solid

22. FREEZING POINT OF WATER : 0 °C.
°CELSIUS TO °FARENHEIT
FORMULA:
( _°C × 1.8) + 32 = _°F
EXAMPLE:
5°C × 1.8) + 32 = 41°F

23. TELL WHETHER THE
FOLLOWING PICTURES
BELONG TO MELTING OR
FREEZING

31. DIRECTION:
IN A ¼ SHEET OF PAD PAPER
ANSWER THE FOLLOWING
QUESTIONS

32. 1.WHAT IS THE MELTING POINT OF WATER?
2. IS THE PROCESS WHEREIN SOLID TURNS TO
LIQUID
3. IS THE PROCESS WHEREIN LIQUID TURNS TO
SOLID
4.-5. GIVE ATLEAST 2 EXAMPLES WHEREIN

33. 1.WHAT IS THE MELTING POINT OF WATER? 0
°C
2. IS THE PROCESS WHEREIN SOLID TURNS TO
LIQUID
- MELTING
3. IS THE PROCESS WHEREIN LIQUID TURNS TO
SOLID
-FREEZING

34. ASSIGNMENT
IN YOUR SCIENCE NOTEBOOK,ANSWER THE
FOLLOWING QUESTIONS:
1.WHAT IS THE DIFFERENCE BETWEEN ATOM AND
MOLECULE?

35. THANK YOU!
PREPARED BY: MS.JOY
D.SANTILLAN