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Describe the role of energy when ice melts and when vapor condences to form liquid water?
When water molecules melt, energy is absorbed. When water molecules evaporate, energy is also absorbed. When water molecules condense energy is released. When water molecules freeze energy is also released.
Which process transfers thermal energy by contact?
This proess is called conduction. The other processes are convection and radiation. Convection is the transfer of energy through movement, such as boiling water. Radiation is the transfer of thermal energy through a medium or space, such as the sun heating the earth.
What has lack of particle density and little thermal energy transfers?
stratosphere
Useful and non-useful energy transfers for coal?
Useful: Energy Light Sound Non-Useful: Electricity C02
What happens when you mix ice water and saturated water?
Saturated water is water that's passed its boiling point yet hasn't evaporated yet. When putting ice water within this boiling-hot water, the heat energy from the boiling water transfers rapidly into the ice water, mixing the two and rapidly changing temperatures.
Why does hot water freeze faster that cold water?
Kinetic energy
Does water require energy?
If you take energy in the form of heat, from water it will freeze and so is not water any more.
What energy transfers or changes happen when using an immersion heater to warm water?
When using an immersion heater to warm water, electrical energy is converted into heat energy. The electrical energy from the power source powers the heating element in the immersion heater, which in turn produces heat energy that transfers to the surrounding water, increasing its temperature.
What wave is a disturbance that transfers energy from place to place?
A sound wave is a disturbance that transfers energy from place to place through the vibration of particles in a medium, such as air or water.
What transfers gravitational potential to kinetic to electrical current?
In a hydropower system, falling water from a height transfers gravitational potential energy to the kinetic energy of the moving water. The kinetic energy is then used to turn turbines, which generate electricity through electromagnetic induction in a generator.
What is the process of the water cycle from the moment the sun transfers its energy?
The process of evaporation begins after it. it will turn water into water vapour.
How does the temperature of water affect the time it tackes to freeze into ice cubes?
A higher water temperature will take longer to freeze into ice cubes compared to water at a lower temperature. This is because the higher the temperature, the more heat energy needs to be removed from the water to reach the freezing point. Conversely, cooler water will freeze more quickly as less heat energy needs to be extracted.
What poorly transfers in thermal energy?
Thermal energy poorly and slowly transfers in liquids
What is the simple machine propels the boat in the water that transfers energy from the rower to the oar?
wheel and axle
How many watts to freeze water?
The amount of energy required to freeze water depends on the initial temperature of the water and the desired final temperature (0°C for freezing water). To calculate the power in watts needed to freeze water, you would need to know the mass of water, its initial temperature, and the time over which you want to freeze it.
How do air and water transfer energy?
Air transfers energy through convection, where warmer air rises and cooler air sinks, creating air currents that transport energy. Water transfers energy through convection as well, but its higher density allows for greater heat retention and storage, making it a more efficient energy transfer medium.
What happen to energy during the water cycle?
Energy gets transformed from one form to other. It transfers from one state to another.
