2. Unlocking Content Vocabulary

1. Model
- a. A representation or simulation of a real-world process, object, or system that helps to understand and predict its behavior.
- b. Models can be physical, conceptual, or mathematical.

2. Particle
- c. Anything that has mass and occupies space. Matter is composed of particles and exists in various states, such as solid, liquid, and gas.

3. Matter
- d. Anything that has mass and occupies space. Matter is composed of particles and exists in various states, such as solid, liquid, and gas.

4. Diagram
- e. A simplified drawing or plan that represents information, structures, or processes, often used to explain concepts or data visually.

5. Physical model
- f. A tangible, three-dimensional representation of an object or system. Physical models help to visualize and study the physical properties and relationships within a system.

Physical models and models are simplified representations aiding in understanding complex systems, with matter being composed of particles in varied states.

Explanation:

Physical models are tangible representations of objects or systems, aiding in visualization and understanding properties within a system. They can be three-dimensional or two-dimensional drawings.

A model is a simplified representation of a system, helping us comprehend complex ideas that are challenging to observe directly. Physicists use various models, including physical models and computer simulations, for analysis and understanding.

Matter is anything that has mass and occupies space, composed of particles existing in different states such as solid, liquid, and gas.

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