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because atoms expands when temperature increases in result physical changes.

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What conditions does physical change occur in materials?

Physical changes in materials occur when the material undergoes a change in its physical properties without any change in its chemical composition. Examples of conditions that can cause physical changes include changes in temperature, pressure, or exposure to light or electricity. Physical changes can include changes in state (such as melting or freezing), changes in shape or size, or changes in properties (such as conductivity or solubility).


Is poor conductor of electricity chemical or physical property?

Poor conductivity of electricity is a physical property, as it is determined by the material's ability to allow the flow of electric current. This property depends on the arrangement and behavior of the material's electrons, rather than its chemical composition.


Why thermal conductivity increases with increase in pressure?

Increasing pressure leads to closer packing of atoms or molecules in a material, which enhances the transfer of thermal energy through collisions between particles. This results in a higher thermal conductivity as more collisions occur, allowing heat to move more efficiently through the material.


Where does thermal expansion and contraction occur?

Thermal expansion and contraction occur in materials when they are exposed to changes in temperature. This can happen in solids, liquids, and gases, leading to changes in volume, length, or density of the material. It is a common phenomenon experienced in everyday objects and structures.


When do physical and mental changes occur in humans?

entire lifespan


How Does Thermal Energy Cause Change?

Thermal energy can cause changes in materials by either heating or cooling them. Heating can expand materials, change their physical state (e.g. melting), or initiate chemical reactions. Cooling can contract materials, change their physical state (e.g. freezing), or slow down reactions. Thermal energy essentially provides the energy needed for these changes to occur.


What are two physical processes that occur on the earth's surface?

Erosion, and thermal . Erosion wears away the build-up caused by the thermal up-lifting.


Physical and mental changes in human beings occur when?

entire lifespan


What physical changes to earth's surface occur at converging boundaries?

mountains


What occurs when the forward and reverse occur at the same rate?

the changes are physical


What are the most common physical changes that occur?

The most common physical changes that occur include changes in muscle mass, bone density, skin elasticity, and metabolism. Additionally, changes in vision, hearing, and hormone levels are also commonly experienced with aging.


Can physical propertys be observed then reversed back?

Some physical properties can be reversed back after they have been observed, while others cannot. Properties like temperature, magnetization, and electrical conductivity can often be reversed by changing the conditions that caused them. However, certain irreversible changes may occur due to chemical reactions or physical deformations.