Describe how light waves interact with the clothes you are wearing and your eyes.

You have read that EM waves can interact with a material medium in

the same ways that mechanical waves do. Three forms of interaction

play an especially important role in how people see light. One form is

reflection. Most things are visible because they reflect light. The two

other forms of interaction are transmission and absorption.

Transmission is the passage of an EM wave

through a medium. If the light reflected from objects did not pass

through the air, windows, or most of the eye, we could not see the

objects. Absorption is the disappearance of an

EM wave into the medium. Absorption affects how things look, because

it limits the light available to be reflected or transmitted.

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.

answer : one can design an experiment using a liquid and an additive that can be added to the liquid and observe the chemical changes in the reaction species.

one would need a beaker which is filled with a known amount of the liquid in which thermometer is placed to measure the temperature changes; after addition of the additive to the liquid solution one can note down the temperature change and find whether the reaction is endothermic or exothermic in nature. by subtracting the initial temperature value with the final temperature one can find the temperature changes.

various combinations of liquid and additive can be used. liquid in this case can be a known quantity of water and additives can be epsom salt or without epsom salt the experiment can be conducted to notice the changes. water and ice, hydrogen peroxide and dry yeast, vinegar and baking soda,etc.