Answer:1. ModelA representation of an object, system, or process that helps us understand or explain how it works.2. ParticleA very small piece of matter; the building blocks of all substances (atoms or molecules).3. MatterAnything that has mass and takes up space (solid, liquid, gas).4. Physical ModelA tangible or visual model that shows the shape or structure of something, like a globe or a 3D atom.5. DiagramA drawing or sketch that explains how something works or shows its parts.6. Computer SimulationA virtual model or program run on a computer to mimic real-world systems or experiments.---7. MeltingThe process of a solid turning into a liquid (e.g., ice to water).8. FreezingThe process of a liquid turning into a solid (e.g., water to ice).9. EvaporationThe process of a liquid turning into a gas, usually at the surface (e.g., water drying under the sun).10. CondensationThe process of a gas turning into a liquid (e.g., water droplets on a cold glass).11. SublimationThe process of a solid turning directly into gas, skipping the liquid state (e.g., dry ice).12. DepositionThe process of a gas turning directly into solid, skipping the liquid state (e.g., frost forming from water vapor).---13. EnergyThe ability to do work or cause change; needed for all processes (like moving or heating).14. TemperatureA measure of how hot or cold something is, based on the average energy of particles.15. PropertyA characteristic used to describe matter, like color, mass, volume, or boiling point.