1. Discuss the scientific and technical achievements in Bronze Age.
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2.
Write an account on the technical innovations and inventions in Medieval India.
10
3
.
With the help of clear and labelled diagrams show the change of seasons on Earth
resulting from the tilt of its axis of rotation.
10
4.
Describe the various theories and experiments regarding the origin of life on
Earth.
10
5.
Citing suitable examples explain the impact of technology on environment.
10
6.
Elaborate sunlight, soil and water as basic resources for agriculture.
10
7.
How human body battles against germs? Explain.
10
8.
List and explain the popular media of mass communication in present times.
10
9.
Prepare a note on artificial intelligence and robotics.
10
10.
'How society influences scientific development - explain giving suitable examples.
10
Answers
Answer:
1.The discovery and the use of metals like copper, bronze, etc. led to the scientific and technical achievements calculating and counting the numbers form the basis of quantitative science in the Bronze Age. The Use of Metals: Metals like gold and copper were used as ornaments.
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[2] The period saw major technological advances, including the adoption of gunpowder, the invention of vertical windmills, spectacles, mechanical clocks, and greatly improved water mills, building techniques (Gothic architecture, medieval castles), and agriculture in general (three-field crop rotation).
3.The earth is tilted at an angle of 23.5 degree which gives rise to seasons. Explanation: Due to tilted position of the earth, and rotation around its axis, different parts of the earth have different seasons.diagram
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