Energy Resources and Their Impact

<p>Converting solar energy into electricity (B)</p> Signup and view all the answers

<p>Generating electricity with photovoltaic cells (A)</p> Signup and view all the answers

<p>It is renewable and unfailing (D)</p> Signup and view all the answers

<p>Solar heated rooms (B)</p> Signup and view all the answers

<p>Energy sources derived from ancient organic matter (A)</p> Signup and view all the answers

<p>Development of efficient photovoltaic devices (A)</p> Signup and view all the answers

<p>Two forms of energy from a single fuel source (C)</p> Signup and view all the answers

<p>North-western Himalayas (D)</p> Signup and view all the answers

<p>150°C (D)</p> Signup and view all the answers

<p>Identify geothermal areas through infrared imaging (D)</p> Signup and view all the answers

<p>Poultry farming and mushroom cultivation (B)</p> Signup and view all the answers

<p>Burning fossil fuels (A)</p> Signup and view all the answers

<p>To locate potential geothermal areas (B)</p> Signup and view all the answers

<p>46 (C)</p> Signup and view all the answers

<p>It returns to the boiler as water (A)</p> Signup and view all the answers

<p>Directly from steam for geothermal power production (C)</p> Signup and view all the answers

<p>Eight billion (C)</p> Signup and view all the answers

<p>Population growth and per capita economic growth (C)</p> Signup and view all the answers

<p>One sixth (A)</p> Signup and view all the answers

<p>A two to three-fold increase (D)</p> Signup and view all the answers

<p>Increased demand for electricity (A)</p> Signup and view all the answers

<p>It is essential for production and distribution of goods. (D)</p> Signup and view all the answers

<p>Solar power (A)</p> Signup and view all the answers

<p>It increases energy demand due to more people needing energy. (C)</p> Signup and view all the answers

<p>There will likely be a growing need for sustainable energy solutions. (D)</p> Signup and view all the answers

<p>It supports the infrastructure and economy through production. (B)</p> Signup and view all the answers

<p>It increases energy consumption significantly. (B)</p> Signup and view all the answers

<p>Managing the balance of energy production and ecological impact. (B)</p> Signup and view all the answers

<p>75-90% (B)</p> Signup and view all the answers

<p>They convert wind's kinetic energy into mechanical power. (A)</p> Signup and view all the answers

<p>55-70% (D)</p> Signup and view all the answers

<p>It is used as a natural fertilizer. (C)</p> Signup and view all the answers

<p>They are clusters of wind turbines that generate electricity. (A)</p> Signup and view all the answers

<p>It is a rich source of nitrogen for soil. (A)</p> Signup and view all the answers

<p>It is utilized for heating purposes. (D)</p> Signup and view all the answers

<p>It exceeds 20,000 MW even at conservative estimates. (B)</p> Signup and view all the answers

<p>Sailing and grinding grain. (A)</p> Signup and view all the answers

<p>Water hyacinth and algae. (A)</p> Signup and view all the answers

The amount of energy available on Earth that can be sustainably used to meet the needs of its population.

Modern societies rely heavily on energy from various sources. This energy powers industries, transportation, and everyday activities.

The increasing global population demands more energy for food production, housing, and transportation.

Industries use massive amounts of energy for production, processing, and manufacturing.

Developing nations in Asia are experiencing rapid economic growth, leading to increased energy demand for infrastructure development and industrialization.

Using energy wisely to reduce waste and increase efficiency, while exploring alternative energy sources to minimize reliance on fossil fuels.

The need for sustainable energy strategies that address future needs while considering environmental impact and resource limitations.

The energy stored in fossil fuels like coal and oil is actually captured solar energy from plants millions of years ago.

Plants use sunlight for photosynthesis, a process that converts light into chemical energy stored as sugars.

Solar panels convert sunlight directly into electricity for various uses.

Solar energy is used to generate hot water, especially during winter.

Solar cookers use solar energy for cooking food in homes.

Solar energy can be harnessed for heating rooms, particularly in colder regions.

Solar energy can be used to operate refrigerators, reducing reliance on traditional electricity.

Solar energy can power vehicles and provide lighting.

Photovoltaic cells convert sunlight into electricity. Developing efficient and affordable photocells is crucial for wider solar energy adoption.

Areas where hot water from the Earth's interior reaches the surface, often exceeding 150°C. These areas hold potential for generating electricity and providing heat.

The practice of using heat from geothermal areas to generate electricity, heat buildings, and even grow crops in greenhouses.

A type of geothermal activity where water is heated underground and erupts as a hot spring, often with a forceful ejection of water and steam.

A satellite system that captures infrared images of the Earth's surface, allowing scientists to identify areas with potential for geothermal energy.

The production of two forms of energy from a single fuel source. One form is usually heat, and the other electrical or mechanical energy.

A type of co-generation system where the waste product from processing sugarcane (bagasse) is used to produce both electricity and heat.

The amount of energy available on Earth that can be sustainably used to meet the needs of its population.

Population growth and increasing economic development in developing countries are the primary drivers of global energy demand, especially for electricity.

The average individual in developing countries consumes significantly less energy than those in developed countries.

Even a modest increase in per capita energy consumption in developing countries, coupled with population growth, could lead to a significant rise in global energy demand.

The actual increase in energy demand is likely to be even greater due to economic growth in both developed and developing countries.

Energy demand is expected to increase substantially in the coming decades due to the combined effects of population growth and economic development.

A power plant that uses the waste heat from electricity generation to produce usable heat for other purposes.

A power plant where steam from electricity production is not wasted but reused to heat homes and factories, increasing efficiency.

The process of transforming wind's kinetic energy into mechanical power, which can then be used for various purposes like grinding, water pumping, or electricity generation.

A cluster of wind turbines positioned together to maximize wind energy capture and electricity generation.

A renewable energy source produced from the breakdown of organic matter like cattle dung, water weeds, and algae, releasing methane gas for various energy uses.

Biogas can be used to raise steam which can power machines and turbines for electricity generation, offering a valuable alternative to fossil fuels.

The digested slurry remaining after biogas production is a valuable fertilizer for agricultural purposes, making biogas a sustainable energy solution.

Generating electricity from biogas provides a cleaner and renewable source of energy compared to conventional fossil fuels.

The potential for co-generation power plants in India is significant, potentially exceeding 20,000 MW, highlighting its importance in energy production.

Wind energy, biogas, and co-generation represent promising renewable energy sources in India, contributing to a cleaner and more sustainable energy future.