1. Test Review
Test on Friday Oct. 8

2. Two liquids are poured together
Is this a physical or chemical change and why?

3. Two liquids are poured together
Is this a physical or chemical change and why?
Chemical two clear liquids should not make a yellow liquid, unexpected color change.

4. A nail is left outside for two weeks
Is this a physical or chemical change and why?

5. A nail is left outside for two weeks
Is this a physical or chemical change and why?
The nail is iron, when left outside a chemical change occurs and iron oxide occurs.

6. Creating a volcano
Is this a physical or chemical change and why?

7. Creating a volcano Is this a physical or chemical change and why?
This is a chemical change, baking soda and vinegar produces a gas.

8. The snow flake lab Is this a physical or chemical change and why?
This is a chemical change, two clear liquids mixed form a white precipitate.

9. Chemical changes form a new substance.
List 3 chemical change

10. Chemical changes form a new substance.
List 3 chemical change
The statue of liberty turning green.
Silver rusting
A match burning

11. Physical changes do not result in the formation of something new.
List 3 physical changes

12. Physical changes do not result in the formation of something new.
List 3 physical changes
Ice melting
Bending a paperclip
Making salt water

13. Heating a sugar cube.
What is the best evidence that the sugar has been chemically changed?

14. Heating a sugar cube.
What is the best evidence that the sugar has been chemically changed?
It turned black when it was burned.

15. Ways to know that something has been chemically changed.
List 5 ways you know a chemical change has occurred.

16. Ways to know that something has been chemically changed.
List 5 ways you know a chemical change has occurred.
Not easily reversed.
Production of gas.
Change in temperature.
Formation of a precipitate.
Unexpected color change.

17. Exciting Eggs
What ways can you chemically change an egg?

18. Exciting Eggs What ways can you chemically change an egg? Boil it.
Fry it.
Bake it.

19. Plants and chemical change.
What is the most prominent evidence that plants are capable of chemical changes.

20. Plants and chemical change.
What is the most prominent evidence that plants are capable of chemical changes.
Plants change sunlight into sugar.

21. Chemical change in the kitchen
List some chemical changes that go on in the kitchen.

22. Chemical change in the kitchen
List some chemical changes that go on in the kitchen.
Baking a cake.
Baking bread.
Digesting your food.

23. More physical changes.
Joe got up late one morning only to find the dog had shredded his homework. He went to check and see if the clothes he hung up last night were dry only to find they were still wet. Running late and dressed like a goof, he went out to get in his car only to find he had a flat tire.
Are the changes in red physical or chemical changes.
Shredded homework.
Clothes drying.
Flat tire.

24. More physical changes.
Joe got up late one morning only to find the dog had shredded his homework. He went to check and see if the clothes he hung up last night were dry only to find they were still wet. Running late and dressed like a goof, he went out to get in his car only to find he had a flat tire.
Are the changes in red physical or chemical changes.
Shredded homework. Physical
Clothes drying. Physical
Flat tire. Physical

25. Reviewing CCAP 1
6.5 A
2. Which element is not part of the compound Al2(CO3)3? A. Al
B. Co
C. C
D. O

26. Reviewing CCAP 1
6.5 B
12. What is the most abundant element in the Earth’s crust?
A. Silicon
B. Oxygen
C. Aluminum
D. Iron

27. Reviewing CCAP 1
 6.5C
13. When two substances react chemically, a new substance is formed. This new substance is a(n) —           A.  element           B.  mixture           C.  solution           D.  compound

28. Reviewing CCAP 1
 6.5 B
18. When magnesium (Mg) metal is burned in the presence of Oxygen (O2), magnesium oxide (MgO) is produced. The properties of magnesium oxide are different than the individual properties of magnesium and oxygen because magnesium oxide is ---  
A. a solution
B. a mixture
C. a compound
D. an element