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This can happen to most forms of energy.
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Describe how the energy changes from a usable form to a less usable form in a building's heating system?
While producing heat energy is precisely the purpose of a heating system, once any kind of energy is converted into heat, it can no longer be converted back to other forms of energy - at least, not all of it.
Why electrical energy is a useful form of energy?
Because it is transfered to a long distance with less loses as compared to other form of energy A2. Electrical energy can be transported across "empty" space and can be stored and can be transformed to other forms of energy. A3. Electrical, much like geothermal, is a natural energy source that can be harvested from lightning and other weather related sources. In theory, we should be able to use these sources to create usable energy: the source producing more energy that it takes to harvest it in a plant.
Can energy be converted from one form to another?
Yes, there are many examples. Electrical energy to light energy (light bulb). Mechanical energy to heat energy (rub your hands together). Chemical energy to light energy (a glowstick), and on and on.
Does a gas have less energy then a liquid form?
no .Gas have more kinetic energy than it's liquid form.
What always happens when energy is transformed?
Usually some energy is wasted, in the sense that it gets converted to a less valuable form of energy. In other words, entropy increases.
Is there an instance when energy is used without being transformed?
No. "Using" the energy means changing it from one form to a less valuable form.
Describe how the energy changes from a usable form to a less usable form in a building's heating system?
While producing heat energy is precisely the purpose of a heating system, once any kind of energy is converted into heat, it can no longer be converted back to other forms of energy - at least, not all of it.
Why electrical energy is a useful form of energy?
Because it is transfered to a long distance with less loses as compared to other form of energy A2. Electrical energy can be transported across "empty" space and can be stored and can be transformed to other forms of energy. A3. Electrical, much like geothermal, is a natural energy source that can be harvested from lightning and other weather related sources. In theory, we should be able to use these sources to create usable energy: the source producing more energy that it takes to harvest it in a plant.
Why is the mass of reactants less than the product in nuclear fission?
A part of mass is transformed in energy.
What does it mean to use up energy?
Using up energy is basically converting energy from its original form to such a form in which it becomes useless or it is converted to less usable form. FOR EXAMPLE - When you use electricity to light a bulb. electrical energy is converted to heat energy which is in turn converted to light energy. Now you cannot get back heat energy from that light and hence you cannot get back electrical energy. So here electrical energy is converted to such a form in which is cannot be used further. It is said to be used
What does it mean to use energy?
Using up energy is basically converting energy from its original form to such a form in which it becomes useless or it is converted to less usable form. FOR EXAMPLE - When you use electricity to light a bulb. electrical energy is converted to heat energy which is in turn converted to light energy. Now you cannot get back heat energy from that light and hence you cannot get back electrical energy. So here electrical energy is converted to such a form in which is cannot be used further. It is said to be used
Why is the final amount of usable energy in an energy transformation less than the original amount?
The idea here is that part of the original energy is wasted - converted to an unusable type of energy.
Can energy be converted from one form to another?
Yes, there are many examples. Electrical energy to light energy (light bulb). Mechanical energy to heat energy (rub your hands together). Chemical energy to light energy (a glowstick), and on and on.
Does a gas have less energy then a liquid form?
no .Gas have more kinetic energy than it's liquid form.
How do you reduce energy loss in food chains?
-reducing the number of trophic levels - less levels to lose energy in -keeping animals in conditions which reduce their energy loss - battery chickens - warm each other and can't move too much - less energy for respiration - more energy for growth. Energy is NEVER created or destroyed (it can't be lost) it is only transformed or transferred. If chickens are keeping themselves warm then they are transferring energy in the form of heat, but they are not keeping the energy completely and reducing its transfer of forms in the suggesting you stated.
What always happens when energy is transformed?
Usually some energy is wasted, in the sense that it gets converted to a less valuable form of energy. In other words, entropy increases.
If energy cannot be created or destroyed why are you concerned about running out of energy?
Energy cannot be destroyed but it can be transformed from one form to another. This means that it can be transformed from one form that is easy to use, such as electricity, to a less useful form such as ambient heat. After the useful energy has been transformed it still exists but we cannot use it in any meaningful way. That is why we need to conserve it as the supply of useful energy is not infinite.
