3. 2.6
Million
Years
Ago
• Crude
knives
• The
sharpest
rock
was
their
knife
• These
helped
to
cut
up
animals
for
their
meat
4. The
Bronze
Age
• Bronze
is
very
malleable
• It
made
the
food
taste
bad
when
used
as
a
table
knife
• The
knife
has
two
sides
resembling
a
dagger
5. The
Iron
Age
• Iron
knives
were
kept
sharp
easily
• These
knives
were
very
durable
• You
had
your
own
knife
and
wore
it
on
your
belts
6. th
Century
Steel
Knives
18
• Table
knives
had
one
blade
instead
of
a
dagger
shaped
table
knife
• They
were
an
improvement
from
iron
7. The
Modern
Knife
• Stainless
steel
• Small
angles
of
the
knife
Japanese
knives
15
degree
blade,
American
and
European
knives
20
degree
blade,
others
have
a
40
degree
blade
