Section A Summary: 1-12

   1.    Chemical or Physical property

a.    Physical

b.    Chemical

c.     Chemical

d.    Physical

   2.    Chemical or physical property

a.    Physical

b.    Physical

c.    Chemical

d.    Chemical

   3.    Chemical or physical property

a.    Physical

b.    Chemical

c.    Chemical

d.    Physical

   4.    Chemical or physical change

a.    Chemical

b.    Physical

c.    Physical

d.    Physical

   5.     

a.    The air reacts with the apple to turn it brown.

b.    The juice in the battery is sucked out, but the battery itself remains the same.

c.    The clothing is removed from impurities, but its chemical make up stays the same.

d.    The mixture is a suspension, but nothing reacts together to change it.

   6.     

a.     Collect the ingredients (eggs, flour, water, sugar, chocolate chips) and mix them together. Then you put the mixture in the oven.

b.    Mixing the ingredients together is a physical change, and baking them is a chemical change.

   7.    Metal or Nonmetal

a.    Metal

b.    Nonmetal

c.    Nonmetal

d.    Metal

   8.    Metal, nonmetal, metalloid

a.    Metal

b.    Metalloid

c.    Nonmetal

d.    Metal

9.    Silicon (Si) and Boron (B).

   10.

a.    It would shatter

b.    It would bend

c.    It would break

d.    It would bend

   11.Nonmetals don’t bend easily and don’t conduct electricity.

   12.Metals bend, they are durable, and are shiny.