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Describe how adding thermal energy affects particle motion, temperature, and state.
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Describe how adding thermal energy affects particle motion, temperature, and state.

User Belun
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Faster moving particles 'excite' nearby particles. If heated sufficiently, the movement of particles in a solid increases and overcomes the bonds that hold the particles together. The substance changes its state from a solid to a liquid (melting).
User Ccgillett
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The added thermal energy will increase the kinetic energy of the particles in the gas, causing an increase in barometric pressure. As more heat is added, the pressure increases proportionally. Students can then work to develop a model that can predict the pressure of the gas given certain temperatures.

User Pradeep Nooney
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