Answer:

1- When water is boiled, the heat energy is transferred to the molecules of water, which begin to move more quickly. Eventually, the molecules have too much energy to stay connected as a liquid. When this occurs, they form gaseous molecules of water vapor, which float to the surface as bubbles and travel into the air.

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3- If a metal spoon is dipped into a cup of hot water, the end of the spoon soon feels warm. Heat is transferred along the spoon by conduction. When a point on an object is heated, the molecules there vibrate more strongly.

4- Energy transformation is when energy changes from one form to another. like in a hydroelectric

Explanation:

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