Question

based on the activities conducted how can you relate heat to the speed of particles is an object​

Answer 1

Answer:

Most of us use the word ‘heat’ to mean something that feels warm, but science defines heat as the flow of energy from a warm object to a cooler object.

Heat energy is in volcanoes and ice

Heat energy is all around us – in volcanoes and in ice. All matter contains heat energy.

Actually, heat energy is all around us – in volcanoes, in icebergs and in your body. All matter contains heat energy.

Heat energy is the result of the movement of tiny particles called atoms, molecules or ions in solids, liquids and gases. Heat energy can be transferred from one object to another. The transfer or flow due to the difference in temperature between the two objects is called heat.

For example, an ice cube has heat energy and so does a glass of lemonade. If you put the ice in the lemonade, the lemonade (which is warmer) will transfer some of its heat energy to the ice. In other words, it will heat up the ice. Eventually, the ice will melt and the lemonade and water from the ice will be the same temperature. This is known as reaching a state of thermal equilibrium.

Answer 2

Particle energy increases with temperature. It is possible for some of this energy to be transferred to cooler particles. For instance, in the gas state, when a fast-moving particle strikes a slower-moving particle, some of the energy from the collision is transferred to the slower-moving particle, increasing its speed.

• An area of high energy will gradually spread across the material as a result of billions of moving particles colliding with one another until thermal equilibrium is established (the temperature is the same across the material).

• Nearby particles are "excited" by faster moving particles. When a solid is heated enough, the bonds holding the particles together are broken and the solid's particle mobility increases.
• The substance transforms from a solid to a liquid condition (melting).
• A stage is reached where the substance transforms into a gas if the mobility of the particles in the liquid continues to grow (evaporation).

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