A piece of wood and sand it to make a model. The kind of change that is occurring is a physical change. The correct option is D.
What is a physical change?
Physical changes are the changes that are shown in the structure and outer area of an object. The physical changes in texture, shape, and occurrence of the object.
Physical changes occur due to factors like temperature, and force. Some changes are burning of paper, cooking of food, burning of wood, ripening of fruit, etc.
When wood is cut down, its physical appearance changes, and when sand is used to make a model, both are mixed and converted into a new object. The changes of state, are gases, liquid, and solid. Here, two solid objects convert into different solid objects.
Thus, the correct option is D. physical change.
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