Energy

An organism that captures energy from sunlight and transforms it into chemical energy stored in energy-rich carbon compounds is a plant. Through a process called photosynthesis, plants use sunlight to convert carbon dioxide and water into glucose, a sugar molecule that serves as a source of energy for the plant.

No, sweating is the body's way of regulating temperature by releasing heat through evaporation of sweat from the skin. It helps cool the body down by dissipating excess heat, not because they are expending energy.

Generators transfer mechanical energy into electrical energy. This process involves the conversion of kinetic energy from a rotating turbine or engine into electrical energy through electromagnetic induction.

Passive transport processes such as diffusion and osmosis do not require cellular energy. These processes involve the movement of molecules across a membrane from an area of high concentration to an area of low concentration, driven by the inherent kinetic energy of the molecules.

The wasted energy from a bulb to its surroundings is in the form of heat. Incandescent bulbs, for example, emit a significant amount of heat in addition to light, making them less energy-efficient compared to LED bulbs which produce less heat. This wasted heat energy contributes to higher energy costs and can also affect the surrounding temperature.

Wasted energy in the form of heat is transferred from the bulb to its surroundings. This is because light bulbs are not 100% efficient at converting electrical energy into light energy, so some energy is lost as heat during the process.

Energy is transferred from the torch bulb to the surroundings through radiation and convection. The bulb releases thermal energy in the form of heat and light, which radiates outwards and warms the surrounding air. The heated air expands and rises, creating convection currents that further dissipate the energy to the surrounding environment.

The primary means of energy transfer inside the sun is through radiation. Energy produced in the core of the sun is emitted in the form of electromagnetic radiation, primarily in the form of gamma rays and photons. These high-energy photons gradually lose energy as they travel through the layers of the sun, eventually reaching the surface and being emitted as visible light.

People use energy for various purposes such as heating, cooling, transportation, lighting, cooking, and powering electronic devices. Energy is integral to everyday activities and essential for industries to operate efficiently.

A compound's energy comes from three sources. 1) The motion of the particles (atoms, molecules) means it has kinetic energy (which is what gives the compound its temperature). 2) The mass of the compound, since mass is a form of energy which can be converted to the other forms. 3) The main source of energy are the electromagnetic and nuclear bonds of the compound, which give it potential energy. Usually when one speaks of bond energy of a compound, they are referring to the bond energy supplied by the electromagnetic bonds. The particles constantly exert forces on each other which means potential energy is constantly supplied. When the bonds of a compound are broken, the potential energy gets converted to kinetic energy (motion).

In a steam engine, the energy transformation involves converting the potential energy contained in steam (thermal energy) into mechanical energy. This process involves the steam expanding and pushing against a piston, which in turn drives a crankshaft to produce rotational mechanical energy.

In a cloth dryer, electrical energy is converted into heat energy to dry the clothes. The heating element in the dryer converts the electricity into thermal energy, which evaporates the water in the clothes, resulting in dry clothing.

The process is called nuclear fusion. In the sun's core, hydrogen atoms combine to form helium, releasing a tremendous amount of energy in the form of light and heat. This process continuously occurs, providing the sun with its energy.

No, an oxidized molecule has already lost electrons and is in a lower energy state. In order to gain energy, a molecule would need to be reduced by gaining electrons.

A solar cell needs sunlight to generate electricity through the photovoltaic effect, which converts solar energy into electrical energy. The cell is typically made of semiconductor materials, such as silicon, that release electrons when exposed to sunlight. These free electrons create an electric current that can be captured and used as electricity.

Potential energy.

Neutrons are particles of no charge. Electrons have negative charge.

The governing laws of energy conversions are based on the laws of thermodynamics, which include the conservation of energy and the increase of entropy. The study of energy conversions falls under the field of thermodynamics, which focuses on the transformation of energy from one form to another. This involves understanding the efficiency, limitations, and principles governing energy conversion processes.

Yes, thermal energy does depend on the amount of substance. The more mass a substance has, the more thermal energy it can store. This is because thermal energy is related to the internal energy of a substance, which increases with the amount of substance present.

The energy levels for the states of matter are different. In solids, particles have the least energy and are closely packed together in a fixed position. In liquids, particles have more energy and are able to move around but are still close together. In gases, particles have the most energy and are far apart and move freely.

Yes, unwanted forms of energy such as waste heat, noise, and air pollution are often produced during the transformation of energy from one form to another. These forms of energy are typically considered as losses in energy systems and can have negative impacts on the environment and human health. Reducing these unwanted forms of energy is a key goal in improving the efficiency and sustainability of energy transformation processes.

No, flashlights do not typically contain or use mechanical energy. Instead, they use electrical energy to power the light-emitting components, such as the light bulb or LED. The electrical energy is converted into light energy by these components.

Potential Energy is calculated by the product of the mass of the object ( not weight! ), the gravitational acceleration ( 9.81 m/s/s ) and the height of the object above a datum.

mass x 9.81 x height

A conveyor belt typically uses electrical energy to operate its motors, which move the belt along its path. The motor provides the necessary mechanical energy to transport goods or materials.