Materials react differently under stress depending on their composition and structure. A match will snap if sat on but a chair made of the same material as a match can hold weight since it is constructed differently and on a larger scale than a single match. How materials handle stress depends on both the material and the object's form.

2. Testing Materials Materials behave differently when we put them under stress. This is due to the object and the material. Example: If you sit on a match it will snap But a chair made of the same material holds your weight