Answer:
The given products are used for measuring and do experiment about the different types of surrounding like soil,water,air etc..
Step-by-step explanation:
1.Tow net- Tow net was introduced in 1846, It is mostly used in boats,its size is about 1:3 mouth to net(use in boats to pick fish)length. Plankton nets is used for collecting the small quantity of plankton i water bodies.
2.Insect sweep net-It seems funnel structured net which is attached to the long handled stick to grip. Insert seep net is using like a mesh which is prevents the any type of insects entering into crop like sprout and cabbage etc..
3.Anemometer- Anemometer is a device is used to measure the speed of the wind and its direction as well. And it is measured about FPM ( fest per minute).
4.Soil thermometer- soil thermometer is a device is used to measure the temperature of the soil. It is protected and surrounded by a glass and the glass is used for the measure of the depth of the soil. it contain two form of mercury in the glass.