- Matter in the solid phase has definite shape
- Definite shape means the shape of an object stays the same when moved to different spot
- Therefore, solid object will have the same shape when moved to a different spot

- Solid object will have the same shape when moved to a different spot
- An eraser is a kind of solid
- So, an eraser will have the same shape when moved to a different spot

Hence, an eraser will have the same shape when moved to a different spot
Q: A student has a pink eraser on her desk. Which property shows that the eraser is a solid?
Context:
- Matter in the solid phase has definite shape 
- An eraser is a kind of solid 
- Definite shape means the shape of an object stays the same when moved to different spot