Answer the following questions briefly:
 
During a science activity, three students observe different materials:
i. Arun holds a metal cube and notes that it keeps the same size no matter how he pushes or presses it.
ii. Sana pours oil into a round bowl and notices that it spreads and takes the bowl’s shape, but the amount of oil remains unchanged.
iii. Farhan sprays room freshener in one corner of the hall, and within a short time, everyone in the hall can smell it.
 
1. Arun’s metal cube shows which property of solids?
 
2. Why does the oil take the shape of the bowl?
 
3. The spreading of room freshener shows which property of gases?
 
4. Which comparison about particle arrangement is correct?