an insect usually has a small size & magnifying glass is used to see small things by making objects appear bigger -> magnifying plastic can be used to smell an action by wash it appear bigger magnifying glass can be used to see an insect by making it appear bigger  magnifying glass can be used to see an insect by making it appear bigger & a leg affects is a mean of magnifying plastic -> a hand lens can help seeing the insect by magnifying the insect