Download NMS 2016 science first six weeks review

Name: ____________________________________________ Date: ____________________________ Per: _______
First Six-weeks Review
Define the following words:
Element
Precipitate
Tarnish
Conductor
Compound
Metal
Malleability
Insulator
Chemical change
Nonmetal
Brittle
MOHs Hardness scale
Physical change
Metalloid
Semiconductor
Luster
Answer/know the following information:
Element/Compound:
1. Identify formulas as elements or compounds & count the number of different elements.
a. Cl
b. NaOH
c. He2
d. SiO2
e. Al2SO4
2. In a chemical equation: label reactants & products, classify element or compound, and
determine the different elements in the equation.
a. 2H2 + O2 → 2H2O
b. 6CO2 + 6H2O → C6H12O6 + 9O2
c. Zn + CuSO4→ ZnSO4+Cu
Chemical Changes:
1.
2.
3.
4.
Name the 4 indicators of a chemical change (evidence).
What is created when two clear liquids make a solid?
What do ALL chemical reactions have in common?
T or F: When a new substance is created its properties are identical to the original
substances.
5. Based on the evidence determine if it’s a physical change or chemical.
a. Liquid turns color from clear to blue
b. Temperature decreased 12o when vinegar and baking soda mixed
c. Salt and water dissolve
d. Lemonade has a volume is 200mL
e. Ice melting to a liquid
f. Tearing paper
g. Metals oxidizing (i.e. rusting or tarnishing)
Name: ____________________________________________ Date: ____________________________ Per: _______
Metals vs. Nonmetals:
1. Where are metals located on the periodic table? Nonmetals? Metalloids?
2. Write down all the properties associated with metals, nonmetals, & metalloids.
3. Based on the properties below determine if it is a metal, nonmetal, or metalloid.
a. Metallic luster, magnetic, can be pounded into thin sheets
b. Dull Luster, Breaks easily, Insulator
c. No luster, Brittle, poor conductor
d. Shiny, semiconductor, breaks easily
e. Silvery Luster, nonmagnetic, malleable, poor insulator
f. Is a liquid at room temperature, poor conductor
g. Dull, Semiconductor, breaks when hit with a hammer
h. Metallic luster, good conductor, bends or dents when hit with a hammer.
4. Based on the symbol determine its physical properties
a. Na
b. H
c. He
d. Si
e. Fe
f. As
g. Au
Mineral Testing:
1. What kinds of tools does a Geologist use when in the field to identify a mineral?
2. From the name of the test determine what physical property they are looking for.
a. Streak
b. Luster
c. Hardness test
d. Magnetism
e. Reacts with acid
3. What is the purpose of the MOHs hardness scale?
4. What is the hardness mineral?
I, _________________________________ studied solely on this review sheet for 20 minutes. The adult below can verify
my actions. This can be signed by a parent, guardian, teacher, tutor, after school care provider, etc.
X ______________________________________________________________