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Energy

The Energy category covers the description, definition, and use of all types of energy. Questions of a general nature can be put in the general Energy category. Other sub-categories exist for Fossil fuels, Nuclear energy, and renewables such as Wind, Solar, Hydro, Tidal, and Wave power.

24,905 Questions

Is wind earth's main source of energy?

No, the Earth's main source of energy is the sun. Wind energy is generated as a result of the sun heating the Earth's atmosphere, which creates temperature differences and causes air movement, ultimately leading to wind.

Does geothermal energy emit greenhouse gases?

Geothermal energy produces very low levels of greenhouse gas emissions compared to fossil fuels. While some emissions may occur due to the extraction and transportation of geothermal fluids, the actual operation of geothermal power plants is essentially emissions-free.

How is energy transferred from one living things to another?

there are many diffrent ways that energy can be transfered from one thing to another. but when i thisk of this topic, i think of a food chain or a food web. in a food chain or food web, it shows where the energy is going, therefore, shows who is getting eaten by what.

Which organic compound is the main source of energy for eukaryotic organisms?

Glucose is the main source of energy for eukaryotic organisms. It is a simple sugar that is broken down through cellular respiration to produce ATP, which is used as a source of energy for various cellular processes.

What term refers to the particular way an organism obtains energy?

The term is "trophic level" and it describes an organism's position in a food chain or food web based on its energy source and how it obtains energy.

What is conventional coring?

Conventional coring is a method used in geology and oil drilling to obtain rock samples from underground formations. It involves using a hollow drill to extract cylindrical cores of the rock for analysis. These core samples help geologists and engineers understand the composition, structure, and other properties of the rock layers.

The Earth loses energy to space only at night?

The Earth continuously loses energy to space in the form of infrared radiation, regardless of whether it is day or night. During the day, the Earth receives more energy from the Sun than it loses to space, resulting in a net gain of energy. At night, when there is no sunlight to offset the energy loss, the Earth's surface cools down as it radiates heat into space.

What is a fat that stores energy for an organism?

Adipose tissue is a type of fat that stores energy for an organism. It consists of adipocytes that store triglycerides as a reserve of energy. When the body needs additional energy, these stored triglycerides can be broken down to provide fuel for the body.

What kind of energy powers your light and appliances?

Usually - but not always - electricity powers our lights and appliances.

What are the organelles called where the stored energy of sugar is released?

The organelles where the stored energy of sugar is released are called mitochondria. Mitochondria are often referred to as the powerhouse of the cell because they convert the stored energy in sugar molecules into usable energy in the form of ATP through a process called cellular respiration.

Is energy biotic?

Energy itself is not considered biotic. Biotic factors refer to living organisms, while energy can be classified as either potential or kinetic. Living organisms can store, use, and transfer energy, but the energy itself is not considered living.

What is the driving energy source for heating the earth known as?

The driving energy source for heating the Earth is the Sun. Solar radiation enters the Earth's atmosphere, where some of it is absorbed and warms the surface of the planet. This process creates the conditions necessary for life to thrive on Earth.

How is kinetic energy defined?

Kinetic energy is the energy an object possesses due to its motion. It is calculated as one-half of an object's mass multiplied by its velocity squared (KE = 0.5 * m * v^2). The faster an object is moving or the more massive it is, the greater its kinetic energy.

What is a cycle in nature that moves matter and energy through the nonliving and living parts of the earth?

The carbon cycle is a natural process that moves carbon between the atmosphere, oceans, soil, and organisms. This cycle plays a crucial role in regulating Earth's climate and supporting life.

Is it true that organisms need an energy supply to perform work necessary for survival?

Yes, organisms require an energy supply to carry out the work necessary for their survival. This energy is used for processes such as growth, movement, reproduction, and responding to the environment. Without energy, organisms would not be able to perform these vital functions and would not survive.

What sitting still at the top of a slope has what type of energy?

An object that is stationary and at the top of something has "potential energy". (If you're getting into equations, it's PE = mgh, where PE = potential energy, m = mass of the object, g = the force of gravity, and h = the height of the object.)

How can water be used as a energy source?

1. Hydroelectric Power.2. As a heat transfer medium in a rankine cycle 3. As a solvent and catalyst in a series of chemical reactions known as "photosynthesis" 4. As a heat transfer medium in a Geothermal Powerplant

How is the energy transmitted to earth?

Energy is transmitted to Earth primarily through sunlight in the form of electromagnetic radiation. This energy is essential for sustaining life on our planet through processes like photosynthesis. Additionally, Earth also receives energy from geothermal sources in the form of heat from within the Earth's core.

Do forces help us?

All the time.

Frictional force allows us to walk effectively. Without friction, your feet wouldn't be able to grip the floor properly, just like running really fast on really slippery ice.

Gravitational force keeps us attached to large masses, like the Earth. Without it we'd just float off into space, along with everything else, and we wouldn't be able to orbit around the sun. Earth and the Sun wouldn't even exist without gravity.

Just about all forces are helpful, they help us move everything.

Is this true or false geothermal energy is an unlimited source of cheap energy?

Geothermal energy is considered a renewable energy source, but it is not unlimited. It relies on heat generated within the Earth, which is finite. While it can provide a consistent and relatively cheap source of energy in suitable locations, it is not universally available and may not be considered cheap in all cases.

What happens to earth if we use non-renewable energy resources?

If we continue to rely heavily on non-renewable energy resources, such as fossil fuels, it can lead to environmental degradation, air and water pollution, and contribute to climate change through the release of greenhouse gases. This can have widespread and long-lasting impacts on ecosystems, biodiversity, and human health. Transitioning to renewable energy sources is important to mitigate these negative effects.

What are the characteristics of geothermal resources?

Geothermal resources are characterized by the heat contained within the Earth's crust, which can be harnessed for energy production. These resources are typically found near tectonic plate boundaries or volcanic activity. Geothermal energy is renewable, reliable, and produces low greenhouse gas emissions.

What portion of earth receives the least direct energy from the sun?

The poles receive the least direct energy from the sun because of their high latitude and the tilt of the Earth's axis. This results in long periods of darkness during winter and limited direct sunlight even during summer.

What country has the smallest amount of raw materials and sources of energy?

Singapore is a country with limited natural resources and sources of energy. It relies heavily on imports for both raw materials and energy production, which poses challenges for its economy and sustainability.

Where does earth get its internal energy?

I assume you mean the heat in Earth's interior. This heat comes from three sources. (1) Heat left over from when the Earth formed. This part should be quite insignificant, since Earth has had enough time to cool down. (2) Decay of radioactive isotopes. (3) The fact that the liquid part of the Earth is gradually solidifying also generates heat.