- If an object is made of a material then that object has the properties of that material
- A rock is a kind of object
- Rock is made of minerals
- Therefore, rocks will have the properties of the minerals that make up the rocks

- The property of something is the same for the things of same kind
- Color is a property of a material
- Hence, the color property of the same material will be the same

- The color property of the same material will be the same
- A mineral is a kind of solid / natural material
- Therefore, the color property of the same minerals will be the same for the things of same kind

- Rocks will have the properties of the minerals that make up the rocks
- The color property of the same minerals will be the same for the things of same kind
- So, rocks will have the same color property as the minerals that make up the rocks

Hence, rocks will have the same color property as the minerals that make up the rocks
Question: Gavin has two rocks. Both rocks are made up entirely of the same mineral. What other property of his two rocks is most likely to be the same?
Context: - If an object is made of a material then that object has the properties of that material 
- A rock is a kind of object 
- Rock is made of minerals 
- The property of something is the same for the things of same kind 
- A mineral is a kind of solid / natural material 
- Color is a property of a material