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Test: Energy Sources - 1 - Year 11 MCQ


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10 Questions MCQ Test - Test: Energy Sources - 1

Test: Energy Sources - 1 for Year 11 2024 is part of Year 11 preparation. The Test: Energy Sources - 1 questions and answers have been prepared according to the Year 11 exam syllabus.The Test: Energy Sources - 1 MCQs are made for Year 11 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Energy Sources - 1 below.
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Test: Energy Sources - 1 - Question 1

Geothermal energy is considered a renewable resource primarily because it harnesses heat from where?

Detailed Solution for Test: Energy Sources - 1 - Question 1

Geothermal energy is classified as a renewable resource because it captures heat from the Earth's core, which serves as a perpetual source of energy. This process involves utilizing the heat produced by the decay of radioactive substances deep within the Earth, which results in the heating of rocks to elevated temperatures. This consistent heat source from the Earth's core distinguishes geothermal energy as renewable.

Test: Energy Sources - 1 - Question 2

Which factor makes geothermal power stations advantageous in terms of size compared to nuclear or fossil fuel power stations?

Detailed Solution for Test: Energy Sources - 1 - Question 2

Geothermal power stations are typically smaller in size compared to nuclear or fossil fuel power stations. This characteristic makes them suitable for various locations, including areas with limited space. The compact size of geothermal power stations is advantageous, allowing for installation in diverse geographical settings.

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Test: Energy Sources - 1 - Question 3

What is a notable disadvantage associated with geothermal energy production?

Detailed Solution for Test: Energy Sources - 1 - Question 3

One significant disadvantage of geothermal energy is the restricted availability of suitable locations for large-scale electricity generation. Efficient production of electricity from geothermal sources necessitates specific geological conditions, limiting its widespread application to regions possessing the necessary characteristics. This geographical constraint poses a challenge to the extensive utilization of geothermal energy.

Test: Energy Sources - 1 - Question 4

What energy source primarily originates from the gravitational pull of the Moon?

Detailed Solution for Test: Energy Sources - 1 - Question 4

Tidal energy primarily arises from the gravitational pull of the Moon. This renewable energy source relies on the gravitational forces exerted by the Moon, which result in the movement of ocean tides. By harnessing the kinetic energy generated by these tidal movements, tidal energy can be converted into electricity through various technologies, such as tidal turbines.

Test: Energy Sources - 1 - Question 5

Solar cells, also known as photovoltaic cells, primarily convert solar energy into what form of energy?

Detailed Solution for Test: Energy Sources - 1 - Question 5

Solar cells, also referred to as photovoltaic cells, convert solar energy into electrical energy by generating an electric current through sunlight. This conversion process allows solar cells to harness the abundant solar energy reaching the Earth's surface and transform it into usable electricity. The electrical output from solar cells can be utilized to power various devices and systems, ranging from homes to satellites.

Test: Energy Sources - 1 - Question 6

What is a key advantage of solar energy in terms of environmental impact?

Detailed Solution for Test: Energy Sources - 1 - Question 6

Solar energy is environmentally friendly due to its minimal contribution to climate change. Solar panels operate without emitting greenhouse gases or causing pollution once they are installed and functioning. The harnessing of solar energy for electricity generation helps reduce reliance on fossil fuels, thereby mitigating the emissions of harmful greenhouse gases that contribute to global warming and environmental degradation.

Test: Energy Sources - 1 - Question 7

Solar furnaces require what specific element to be large in order to effectively generate high temperatures?

Detailed Solution for Test: Energy Sources - 1 - Question 7

Solar furnaces necessitate large concave mirrors to concentrate the sun's rays onto a small area effectively. These mirrors play a crucial role in focusing solar radiation, thereby generating intense heat at a focal point. By harnessing the concentrated solar energy, solar furnaces can achieve high temperatures suitable for various applications, such as generating steam for electricity production.

Test: Energy Sources - 1 - Question 8

What is a notable disadvantage associated with the scale requirement of solar furnaces?

Detailed Solution for Test: Energy Sources - 1 - Question 8

A significant disadvantage related to the scale requirement of solar furnaces is the high initial setup costs. Due to the large size necessary to generate high temperatures effectively, the construction and installation of solar furnaces typically involve substantial investments. These upfront expenses can pose financial challenges for projects aiming to implement solar thermal technologies on a large scale.

Test: Energy Sources - 1 - Question 9

Solar panels operate without emitting what type of gases or causing pollution once they are operational?

Detailed Solution for Test: Energy Sources - 1 - Question 9

Solar panels function without emitting greenhouse gases or causing pollution once they are operational. Unlike traditional fossil fuel-based power plants that release greenhouse gases like carbon dioxide, solar panels generate electricity using sunlight without contributing to harmful emissions. This environmentally friendly aspect of solar energy aligns with efforts to combat climate change and reduce the ecological footprint of energy production.

Test: Energy Sources - 1 - Question 10

Despite the benefits of solar energy, what additional energy requirement is often necessary for heating water to higher temperatures in homes?

Detailed Solution for Test: Energy Sources - 1 - Question 10

Despite the advantages of solar energy, supplementary energy is often required to heat water to higher temperatures in homes. While solar panels can effectively harness sunlight to warm water, additional energy sources may be needed to ensure water reaches the desired temperature for various domestic applications, such as showers and household heating. This complementary energy input supplements solar heating systems and enhances the overall efficiency of water heating processes.

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