Energy starts with the steam coming from the tea kettle. This is an example of thermal energy because there is heat. When the steam hits the wheel , it turns. This is an example of mechanical energy because there is movement. This mechanical energy transfers to the , causing it to . This is an example of mechanical energy because there is movement.

A. Convection B. Conduction

Explanation:

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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.