what is technology? look around this classroom and give five examples. look around this classroom...
TRANSCRIPT
What is technology?What is technology?
Look around this classroom Look around this classroom and give five examples.and give five examples.
•Technology is the scientific methods people use to improve their surroundings.
•It is also a knowledge of using tools and machines to do tasks efficiently.
ComputersComputers
DesktopsDesktopsLaptopsLaptopsCarsCarsi-Podsi-PodsAirplanesAirplanes
How do we use computers?How do we use computers?
To learnTo learnTo perform tasksTo perform tasksAutomation (Speed)Automation (Speed)To CommunicateTo CommunicateMusicMusic
CommunicationCommunication Cell phonesCell phones E-mailE-mail TelevisionTelevision InternetInternet VideogamesVideogames
TransportationTransportation
BicyclesBicycles Motorcycles Motorcycles AutomobilesAutomobiles BusesBuses TrainsTrains PlanesPlanes RocketsRockets
SPACE TECHNOLOGYSPACE TECHNOLOGY
►In the second half of the In the second half of the 2020thth century, humans century, humans created enough created enough technology to leave the technology to leave the surface of the Earth and surface of the Earth and explore space.explore space.
Ancient (Early) TechnologyAncient (Early) Technology
► ToolsTools► WeaponsWeapons
Flint spear, circa 100,000 BCFlint spear, circa 100,000 BC
•The history of technology is at least as old as humanity. Some primitive forms of tools have been discovered with almost every find of ancient human remains dating from the time of primitive humans.
•The earliest technologies turned easily found natural resources (such as rock, wood and other vegetation, bone and other animal byproducts) into simple tools.
The WheelThe Wheel
►The wheel was invented circa The wheel was invented circa 4,000 BCE. This artifact was 4,000 BCE. This artifact was found in present day Iran.found in present day Iran.
►The flag of India has a wheel in The flag of India has a wheel in its center.its center.
And what perhaps (maybe) is And what perhaps (maybe) is the earliest example of the earliest example of
technology?technology?►Human’s use of Human’s use of
FIREFIRE
The use, and then mastery, The use, and then mastery, of fire (circa 1,000,000 - of fire (circa 1,000,000 - 500,000 BCE was a turning 500,000 BCE was a turning point in the technological point in the technological evolution of humankind, evolution of humankind, affording a simple energy affording a simple energy source with many profound source with many profound uses. Perhaps the first use of uses. Perhaps the first use of fire beyond providing heat fire beyond providing heat was the preparation of food. was the preparation of food. This enabled a significant This enabled a significant increase in both vegetable increase in both vegetable and animal sources of food, and animal sources of food, while greatly reducing while greatly reducing perishability (being able to perishability (being able to spoil). spoil).
Modern Technology:Modern Technology:The Integrated CircuitThe Integrated Circuit
All computers contain these circuitsAll computers contain these circuits What do they look like?What do they look like? Of what do they remind you?Of what do they remind you?
Where in the Where in the World is PS World is PS
119?119?