Download Elements are Everywhere PPT

Survey
yes no Was this document useful for you?
   Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project

Document related concepts
no text concepts found
Transcript
ELEMENTS
are
everywhere!
ELEMENT #1
What element is in this ring?
The spiral pattern on this
ancient Celtic ring represents
the spiral / circle of life.
GOLD (Au) Latin: aurum
• 2/3 of the world’s gold
comes from South Africa
• 2/3 of US production comes
from S. Dakota and Nevada
ELEMENT #2
What element do these things have in common?
Here’s a hint…
IRON (Fe) Latin: ferrum
Cheapest…
Most common…
Most useful…
Used extensively for the
making of STEEL
IRON (Fe) Latin: ferrum
The most
common ore
(source) is
hematite.
IRON (Fe) Latin: ferrum
This iron
pillar from
AD 400 still
stands in
Delhi, India
IRON (Fe) Latin: ferrum
It also carries
oxygen in
hemoglobin
in red blood
cells.
ELEMENT #3
Both superman and
kryptonite are from…
KRYPTON (Kr) Greek: kryptos
Means “hidden”
Krypton is a gas
Used in flash lamps for
high speed photography
ELEMENT #4
This element is in
thermometers
MERCURY (Hg)
Greek: hydoor (living) + argyros (silver)
Found in Egyptian tombs of
1500 B.C
Spain and Italy produce 50%
of the world’s mercury.
ELEMENT #5
What element is a gas that glows
and is used in TV tubes, lasers
and cryogenic freezing?
NEON (Ne) Greek: neos
ELEMENT #6
We eat this element
every day,
we immerse ourselves
in it in the summer,
and it is used to produce
safe drinking water…
CHLORINE (Cl) Greek: chloros
meaning greenish yellow
We eat it every
day combined
with sodium in
the form of
SALT
CHLORINE (Cl) Greek: chloros
meaning greenish yellow
We immerse
ourselves in it in
the summer
when we swim
in a POOL
CHLORINE (Cl) Greek: chloros
meaning greenish yellow
It is used to
produce safe
drinking water
CHLORINE (Cl) Greek: chloros
meaning greenish yellow
Ecuadorian tree frogs
have chlorine in their
skin which is a powerful
pain killer (200 times
more effective than
morphine)… but in large
doses it can kill you!
ELEMENT #7
What element is present in these
items?
CALCIUM (Ca) Latin: calx
Calcium is referred to as lime.
It is found in nature as
limestone.
CALCIUM (Ca) Latin: calx
Calcium can clog pipes…that’s
what’s in “hard water”
CALCIUM (Ca) Latin: calx
Some cave formations are
made of calcite…
CALCIUM (Ca) Latin: calx
Ants in the pants… mites go UP,
tights go DOWN
Stalagmites
Stalactites
ELEMENT #8
What element is in your
toothpaste?
FLUORINE (F) French: fluere
Means flow or flux…
It is a yellow gas.
In water, fluroine
helps prevent cavities
and interestingly it is
also being studied as
a rocket propellant!
FLUORINE (F) French: fluere
Also used to make
uranium used in
nuclear energy.
And in air
conditioning and
refrigeration (CFCs)
ELEMENT #9
Do you recognize this character?
He is Gollum from Lord of the
Rings and he is made of sand
which contains the element
SILICON
SILICON (Si) Latin: silex
Means flint.
Silicon is the
second most
abundant element
making up ¼ of the
earth’s crust. It also
is present in the sun
and stars.
SILICON (Si) Latin: silex
Not found free in nature… it is found in
sand, quartz, and clay.
SILICON (Si) Latin: silex
Silicon crystals are used to make semiconductor
devices and solar cells used to capture solar energy.
SILICON (Si) Latin: silex
Silicon in the form of sand and clay is used to make
concrete, brick and glass.
SILICON (Si) Latin: silex
Water organisms called diatoms extract silica
from water to build their glass-like shells.