Final answer:
Heat effects and its importance explained concisely.
Explanation:
Effects of Heat
- Expansion: When heat is applied to a substance, its particles gain energy and move faster, causing the substance to expand.
- Change in State: Heat can cause a change in the state of a substance, such as melting or boiling.
The Need for Heat
- Food Preparation: Heat is essential for cooking food, making it safe to eat and enhancing its flavor.
- Industrial Processes: Heat is used in various industries for manufacturing processes like metalworking and chemical reactions.
- Comfort: Heat is crucial for maintaining a comfortable living environment, especially during colder seasons.
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