Technological Evolution and Models — Flashcards
ICSE · Class 11 · Environmental Science
40 flashcards for Technological Evolution and Models (ICSE Class 11 Environmental Science) to test yourself on key terms and facts.
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What is technology?
Answer
Technology is the practical application of scientific knowledge to meet human needs and solve social and economic problems. It includes tools, machines, systems, methods, and sources of energy, not on…
Why is technology not limited to computers and smartphones?
Answer
Technology also includes simple tools, production methods, organisational systems, and energy sources used by humans throughout history. Stone tools, water mills, and irrigation systems are also forms…
How did technology affect early human survival in the Palaeolithic Age?
Answer
Early humans used stone, wood, and bone to make tools for cutting, hunting, and food preparation. Fire was a major breakthrough because it gave warmth, protection, and cooked food. These technologies …
Why was the discovery of fire important in prehistoric times?
Answer
Fire improved survival by providing heat, light, protection from animals, and the ability to cook food. Cooking made food easier to digest and helped humans use food more effectively.
What changed during the Neolithic Revolution?
Answer
Humans shifted from a nomadic lifestyle to settled communities because agriculture and domestication of animals developed. Food production increased, population grew, and permanent settlements appeare…
Why did the Neolithic Age cause environmental change?
Answer
Agriculture needed land, so forests were cleared and natural landscapes were modified. Deforestation and land modification began to affect the environment more clearly than in earlier times.
What were the main features of medieval technology?
Answer
Medieval societies developed improved agricultural tools, water mills, windmills, and mechanical clocks. Technology still depended largely on renewable energy sources such as water and wind.
Why was the environmental impact of medieval technology moderate?
Answer
Medieval technology used renewable energy sources like water and wind, so its environmental effect was lower than later industrial systems. Production increased, but damage to the environment remained…
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