In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

[Q]: Question: When we pack a fewer things into a box it becomes 
 Answer: less dense
[A]: The more tightly packed the particles inside the material are, the more dense we say they are.


[Q]: Question: If something has a small surface area and is being mixed with something else it will react 
 Answer: slower
[A]: Surface Area of Reactants When a solid substance is involved in a chemical reaction, only the matter at the surface of the solid is exposed to other reactants. If a solid has more surface area, more of it is exposed and able to react.


[Q]: Question: When you send more power to a magnet it becomes 
 Answer: stronger
[A]:
The more current, the stronger the electromagnet.