Give reason
We wear dark coloured clothes in winter and light coloured clothes in summer.

Explain why we wear woolen clothes in winter ?

(i) Give reason for using dark coloured clothes in winter and bottom of utensils used for cooking food being black. (ii) Draw a table to compare the Kelvin, Celsius and Fahrenheit scales of temperature (steam point, ice point, absolute zero).

Name the following: The phenomenon by which dark coloured moth originated from light coloured moth.

Woollen clothes are worn in winter, Why?

In an annual ring, the light coloured part is known as

Give reason Yellow shirt is covered with a material that absorbs light of blue colour .

Give reason for the following: Silver nitrate solution is kept in coloured bottles.

Give reason Red, blue, and green are called primary colours of light.

Chloroform is stored in dark coloured bottles. Explain in not more than two sentences.

Give reasons Chloroform is stored in closed dark coloured bottles completely filled