Semester 2 Homework #1

1.
     a. Physical
     b. Physical
     c. Chemical
     d. Physical
2.
    a. Physical
    b. Physical
    c. Physical
    d. Chemical

3. a. Physical
    b. Chemical
    c. Physical
    d. Physical

4.  a. Chemical
     b. Physical
     c. Chemical
     d. Chemical

5. An animal turns brown because the air chemically change the apple which alter its physical looks.

6. a. Pour, then continue baking.
    b. The ingredients in the bowl going into the bowl is a chemical and physical change.

7. metals
    nonmetals
    metals
    metals

8.  metal
     metalloid
     nonmetal
     metal

9. Sillicon (Si) Germanium (Ge)

10. Brittleness and nonconductivity

11. Durable, solid,  have high metling points