EARTH SCIENCE – THIRD QUARTER
A. Atoms & Elements
1. Atoms make up ALL _______________; living and ____________________
a. Includes ______________
2. There are _____________________ types of ____________________
3. Each ________________ is made of one kind of ________________
5. Elements all have __________________ properties
-- 118 known ______________________
-- Periodic Table of Elements (on your science Padlet)
-- Ex. _____________, _________________, ______________
Ca
B. Elements of the Human Body
P
Other
N
1. ____________________________ 65%
2. ____________________________ 18.5%
3. ____________________________ 9.5%
4. ____________________________ 3.3%
5. ____________________________ 1.5%
6. ____________________________ 1%
7. ____________________________ 1.2%
C. Molecules
1. A ____________________ has more than 1 ________________
2. A ____________________ has a chemical ________________
Ex. ___________________, ____________________
3. Both examples have _______________ than 1 atom and have a
______________________
D. Compound Molecules
1. A ______________________ molecule has more than 1 _______________
2. A ______________________ molecule has a chemical ________________
3. A ______________________ molecule has more than 1 _______________
Ex. ______________________, _____________________
4. _________________ is another compound molecule that is found in the
_____________all living things.
a.
Its function is to carry ___________________ throughout the cell
PRACTICE! Counting Atoms & Elements
1. Au


Atoms _____
Elements _____
Atom Checklist

_____________________
2. H2O2


Atoms _____
Elements _____
3. C12H22O11


Atoms _____
Elements _____
4. O3


Molecule Checklist
 ______________________
 ______________________
Atoms _____
Elements _____
Compound Molecule
Checklist
 ______________________
 ______________________
5.


6.


Atoms _____
Elements _____
Atoms _____
Elements _____
 ______________________
E. Minerals
1. Minerals are the ___________________ blocks of _______________
2. Minerals are made up of _______________, ___________________,
and _________________________________
3. Minerals have _________________ things in common
a. _________________________ chemical _________________
b. _________________________
c. _________________________
d. Crystalline ___________________________
e. __________________________ occurring
F. Minerals (Five things in common expanded)
1. Definite Chemical Composition
a. Always has the _______________ ___________________
b. Quartz = SiO2
c. Pyrite = FeS4
2. Solid
a. On _______________ under _________________ conditions
3. Inorganic
a. Not made up _________________ ___________________
4. Crystalline Structure
a. Atoms are ____________________ to form ______________
in a repeating _______________________
5. Naturally Occurring
a. Not _______________________________
PRACTICE! Classify – Is it a Mineral or not?
Is cardboard a mineral? Is Topaz a mineral? Use the checklist below!
Circle Y for “yes” or N for “no” to determine whether the two materials below
are minerals or not.
Cardboard
Topaz
Definite Chemical Composition?
Y
N
Y
N
Solid?
Y
N
Y
N
Inorganic?
Y
N
Y
N
Naturally Occurring?
Y
N
Y
N
Crystalline Structure?
Y
N
Y
N
Mineral?
Y
N
Y
N
G. Identifying which mineral you have…


So now we _______________ that we have a ________________, but
_______________ mineral is it?
Use these characteristics:
1. _____________________________________
2. _____________________________________
3. _____________________________________
4. _____________________________________
5. _____________________________________
6. _____________________________________
7. _____________________________________
H. Characteristics used to ID a mineral
1. Color
a. The ______________ reliable characteristic use to ID a mineral
b. One mineral can have ___________________________
c. Several minerals can have the __________________________
2. Streak
a. More reliable than _____________ to identify a mineral
b. Streak is the __________________________ of the mineral
c. Found by ____________________the mineral sample on a
____________________________
d. The streak does not always _______________________ of the
mineral
3. Luster
a. The way the surface of the mineral ___________________
b. 2 Luster types – ___________________ & _________________:

Metallic – _______________ like a metal

Non-metallic – does not appear to be
_____________________________
 Dull – _________________, no bling
 Vitreous - _________________
4. Hardness
a. A mineral’s ________________ to being __________________
b. Mohs Hardness Scale used to _________________ hardness
c. A mineral is given a hardness rating between ______ - _____
d. 1 = very _____________, scratches ______________
e. Ex - _______________
f. 10 – very _____________, does not scratch easily or _________
g. Ex. - __________________
5. Density
a. How much _____________ is in a given amount of
________________
b. Density is used to tell the ______________ between samples
that look __________________ like gold and pyrite
Practice! Explain which block is denser.
How do you know?
_________________________
_________________________
_________________________
_________________________
_________________________
_________________________
_________________________
_________________________
_________________________
_________________________
_________________________
_________________________
6. Cleavage
a. Tendency of a mineral to ________________ along ________________
planes of ______________________
b. Forms _______________, _________________ surfaces
7. Fracture
a. Tendency of a mineral to break _________________, _________________
b. Forms uneven, __________________ breaks
Lesson Summary
To complete this summary, fill in the blanks with the correct words or phrase.
Use your notes to ensure your answers are correct!
How do you know if the sample you
have found is a mineral?
Use the table below to best
identify this mineral based
on its luster.
A mineral:
1. ________________________________
2. ________________________________
3. ________________________________
Mineral
Luster
Pyrite
Metallic
Talc
Dull
Quartz Vitreous
4. ________________________________
5. ________________________________
Mineral ID: _______________
Write the correct description,
either CLEAVAGE or
FRACTURE, under each of
these broken mineral samples.
You have decided that your sample is
a mineral! What characteristics can
you use to identify which mineral
you have?
Sample 1_______________
1. ________________________________
2. ________________________________
3. ________________________________
4. ________________________________
5. ________________________________
Sample 2_______________
6. ________________________________
7. ________________________________
Lesson Review
Vocabulary
1 -The way light bounces off a mineral’s surface is described by the mineral’s
________________________.
2 - The color of a mineral in powdered form is the mineral’s ______________.
3 - Each element is made up of only one kind of __________________.
4 - A ___________________ has more than one atom and more than one
element.
Key Concepts
5 - How could you determine whether an unknown substance is a mineral?
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
6 If a substance is a mineral, how could you identify what type of mineral it
is? (Use at least 3 tests)
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
7-
Corundum – Al2O3
Kyanite – Al2SiO5
How many atoms? ________
How many atoms? ________
How many elements? _______
How many elements? _______
Molecule
Molecule
Circle One
OR
Compound
Circle One
OR
Compound