5. Magnetite
Lodestones are composed of
magnetite, a mineral form of iron
oxide. Like other types of magnetite,
they are hard, black and shiny, but
lodestones are special because they are
naturally magnetized.
6. His discovery was
prompted by the
difficulty he
encountered each
time he climbed up
the mountain to
tend his sheep.
7. The difficulty is caused
by the natural
magnetic attraction
between his iron
hobnail boots and the
excessive amounts of
lodestones present in
the rock and soil of
the mountain
8. -What is the purpose of Iron
Hobnail Boots?
Hobnailed boots were formerly
used for mountaineering to grip
on sloping rock surfaces
9. In his honor, the
Greeks called the
material
“magnes”, and
this is how we
have come to
use the word
“magnet” today.
11. Batubalani is the tagalog term for
magnet.
“Batubalani” came from the old
bisaya words, “bato” which means
stone, and the word “balani” which
means “though”
12. There are common things in our
surroundings that can’t be
attracted by a magnet. most
commonly examples are the stainless
steel, gold, silver, copper, alloy, etc.
And the metal that are very
attractive to magnets are
nicle,iron,cobalt,etc.
13. -Magnets are surrounded by
invisible magnetic field.
-The unit used to measure the
strength of a magnet is called
“tesla”.
-Magnets have two ends, the
north pole and south pole.
16. What did the Greeks
called the magnet
before?
- “magnes”
17. The difficulty is caused by the natural
magnetic attraction between his
________________ and the excessive
amounts of lodestones present in the
rock and soil of the mountain
- Iron hobnail boots
20. “There is a magnet in your
heart that will attract true
friends. That magnet is
unselfishness, thinking of others
first; when you learn to live for
others, they will live for you”
-Paramahansa Yogananda
21. Presented by:
GROUP 1
Angelo Sarical
Jennifer Ditan
Daimler Linguete
Rijndael Pricones
Khate Hernandez
Lawrence Laurean
Aldred Capoy
Yvonne Adecer
Hannah Ecleo
Rosamae Vecino
Junrence Pardo
22. I hope y’all learned
something from our
presentation!
May God bless you all!
