To show hiw Earth revolves around the sun, hold a volleyball 1meter away from a table lamp with its light bulb exposed. Turn the volleyball on its axis, and move in a large circle around the light bulb. Based on this example, define model in your own words.
A model is a representation of a real-life object, system, or phenomenon that helps us better understand it by simplifying it or highlighting specific features. It can be a physical or conceptual tool used to visualize, explain, predict, or test situations and make informed decisions or discoveries. Models can be used in different fields, such as science, engineering, economics, psychology, and art, and can be adjusted or improved based on new information or feedback.
