- A field is a kind of environment
- An insect usually has a small size
- So, an insect in a field is an example of a small thing in an environment

- An insect in a field is an example of a small thing in an environment
- Observing small things in an environment is difficult
- Hence, observing an insect in a field is difficult

- Observing an insect in a field is difficult
- Magnifying glass is used to see small things by making objects appear bigger
- So, 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 hand lens is a kind of magnifying glass
- Hence, a hand lens can help seeing the insect by magnifying the insect

Hence, a hand lens can help seeing the insect by magnifying the insect
[Question]Which of these tools would be best to use when observing insects in a field?
[Context]- Observing small things in an environment is difficult 
- A field is a kind of environment 
- Magnifying glass is used to see small things by making objects appear bigger 
- A hand lens is a kind of magnifying glass 
- An insect usually has a small size