science tech Flashcards
(105 cards)
a circular frame of hard
material that may be
solid, partly solid, or
spoked and that is capable
of turning on an axle.
WHEELS
is a horological
device that tells the time
of day when direct
sunlight shines by the
apparent position of the
Sun in the sky.
SUNDIAL
machine by which text and
images are transferred
from movable type to paper
or other media by means of
ink.
PRINTING PRESS
is a heat
engine that performs
mechanical work using steam
as its working fluid. The
steam engine uses the force
produced by steam pressure.
STEAM ENGINES
is a medication used to
manage and treat a wide range of infections. It is in the beta-
lactam antibiotic class of drugs.
This activity describes
penicillin’s indications, action,
and contraindications as a valuable
agent in treating infection.
Penicillin
a machine or machine tool (such
as a spinning machine or lathe)
that after once being set
operates automatically except
for applying the power,
lubricating, supplying material,
and shutting off the power.
AUTOMATED
MACHINES
is a telecommunications device that
permits two or more users to
conduct a conversation when they
are too far apart to be easily
heard directly.
TELEPHONES
STONE AGE
BRONZE AGE
IRON AGE
ANCIENT ERA
marks a period of prehistory in
which humans used
primitive stone tools
with an edge, a point,
or a percussion surface.
Stone Age
PALEOLITHIC
MESOLITHIC
NEOLITHIC
STONE AGE
is the period of prehistory from
approximately 3.3 million years ago to
around 12,000 years ago, during which
hominins (early humans) developed the use of
basic stone tools and artifacts (man-made
objects.
Language, art, scientific inquiry, and
spiritual life were some of the most
important innovations of the
era.
PALEOLITHIC
is an archaeological term used to
describe specific cultures that fall
between the Paleolithic and the Neolithic
Periods. The use of small chipped stone
tools called microliths and retouched
bladelets are the key factors in
identifying the as a
prehistoric period.
Mesolithic
final stage of cultural evolution or
technological development among
prehistoric humans. It was
characterized by stone tools shaped by polishing or grinding, dependence on domesticated plants or animals, settlement in permanent villages, and the appearance of such crafts as pottery and weaving.
NEOLITHIC
is a historic period, lasting from
approximately 3300 BCE to 1200 BCE. Characterized by the use of bronze, the use of writing in some areas.
The ___ marked the first time humans started to work with metal. Bronze tools and weapons soon replaced earlier stone versions.
BRONZE AGE
lasted from roughly 1200
to 500 B.C.E. and its dates differed
by world region. The Hittites are
believed to have been the first known
people to make iron tools.
It is the period of human culture
characterized by the smelting of iron
and its use in industry.
Iron Age
EUROPEAN AGE
DARK AGE
RENAISSANCE AGE
MIDDLE ERA
The period is characterized
as a time when Europeans
began exploring the world
by sea in search of new
trading routes, wealth, and
knowledge.
EUROPEAN AGE
PREHISTORIC EUROPE
CLASSICAL ANTIQUITY
MIDDLE AGES
MODERN ERA
EUROPEAN AGE
is a term for the
Early Middle Ages or occasionally
the entire Middle Ages, in Western
Europe after the fall of the Western
Roman Empire that characterizes it
as marked by economic, intellectual,
and cultural decline.
Dark Ages
was a fervent period
of European cultural, artistic,
political and economic “rebirth”
.
Generally described as taking place
from the 14th century to the 17th
century, promoted
the rediscovery of classical
philosophy, literature and art.
Renaissance
EARLY MODERN PERIOD
LATE MODERN PERIOD
MODERN ERA
is considered to have lasted from the 16th to the 19th centuries (about 1500–1800)
Early modern period
began around
1800 with the end of the political
revolutions in the late 18th
century and involved the transition
from a world dominated by imperial
and colonial powers into one of
nations and nationhood following
the two great world wars, World War
I and World War II.
late modern period
was the critical transition that
resulted in the birth of agriculture.
people learned to cultivate plants and
domesticate animals.
broaden the production of food
improved the quality of human
nutrition.
NEOLITHIC REVOLUTION