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What is the meaning of harmful and useful materials?
Harmful materials are substances that can cause damage to living organisms or the environment, such as toxic chemicals or pollutants. Useful materials are substances that have practical value or serve a useful purpose, like building materials or medicine.
What is the not useful energy when coal is burnt?
When coal is burnt, the energy lost in the form of heat and pollutants such as carbon dioxide and ash is considered as not useful energy. This includes waste heat that is not converted into useful work or electricity.
Energy that is not converted to useful energy is usually given off as?
heat
What materials at home that are useful or harmful?
Useful materials at home include cleaning products, tools, and storage items. Harmful materials can include toxic chemicals, sharp objects, and expired medications. It is important to store potentially dangerous materials properly and dispose of them responsibly.
What is a heating curve and how is it useful and identifying materials and Their characteristics?
A heating curve is a graph that shows how the temperature of a substance changes as heat is added over time. It helps identify materials by showing their melting and boiling points, as well as specific heat capacities. By analyzing the shape of the curve and the points where temperature plateaus or changes, one can determine the material's properties such as phase changes and thermal behavior.
What is the term for materials that have very low thermal energy and resisitance?
Materials that have very low thermal energy and resistance are referred to as insulators. These materials are poor conductors of heat, which makes them useful for preventing heat transfer. Examples include wood, rubber, and plastic.
What are the properties and applications of high heat capacity materials?
High heat capacity materials have the ability to absorb and store large amounts of heat without significant temperature changes. This property makes them useful in applications such as thermal energy storage, temperature regulation in buildings, and heat sinks for electronic devices.
A material that is not a good conductor of heat is a called an?
Insulator, same as for electricity. An example of insulators (of heat) is Styrofoam.
Is wax a good conductor of heat?
No, wax is not a good conductor of heat. It has a low thermal conductivity, meaning it does not easily allow heat to pass through it. This property makes it useful for insulating materials or products that need to retain heat.
What types of materials are poor conductors of heat?
Materials that are poor conductors of heat are typically insulating materials such as wool, rubber, plastic, and air. These materials have a low thermal conductivity, meaning they do not allow heat to easily pass through them. This property makes them useful for applications where heat transfer needs to be minimized.
Why might it be useful to build hoeses with materials that do not cunduct thermal energy?
That way, the house loses less heat, and you save on heating costs.
Materials with a high specific heat can absorb heat without a large what in temperature?
Specific heat is the amount of heat required to raise the temperature of a substance by 1 degree Celsius. Materials with a high specific heat can absorb a significant amount of heat energy without experiencing a large increase in temperature. This property makes them useful for applications like thermal buffering or regulation of temperature changes.
What is the name of the non useful energy?
That would be "heat", except that sometimes heat can be quite useful.
What is the meaning of harmful and useful materials?
Harmful materials are substances that can cause damage to living organisms or the environment, such as toxic chemicals or pollutants. Useful materials are substances that have practical value or serve a useful purpose, like building materials or medicine.
What materials would be useful in conducting heat?
Materials that are good conductors of heat include metals such as copper, aluminum, and iron. These materials allow heat to flow through them easily due to the high mobility of their atomic particles. Insulators like wood, rubber, and plastic, on the other hand, are poor conductors of heat as they inhibit the flow of heat energy.
Why do you need quarrying?
== == to gain limestone and other useful rocks to get useful materials/ make useful materials out of the produc you collect, for example you can get steel, cement , glass and concrete
How is bleeding useful?
It can be useful in flushing infectious materials away from a wound.
