Transcript Elements are Everywhere PPT - Hatboro

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.