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Questions and Answers
What is another name for heat?
What is another name for heat?
In which direction does heat flow?
In which direction does heat flow?
What happens to a substance if heat is added to it?
What happens to a substance if heat is added to it?
What is one effect of heating an object?
What is one effect of heating an object?
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What can heat energy be converted into?
What can heat energy be converted into?
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Study Notes
Heat: A Form of Energy
- Heat, also known as thermal energy, is a form of energy that can be transferred from one object to another.
- Heat always flows from a region of higher temperature to a region of lower temperature.
- When heat is added to a substance, it becomes hot, whereas removing heat from an object makes it cold.
- Heat can be converted into other forms of energy, such as mechanical energy, and vice versa.
Effects of Heat on Matter
- Heat can cause expansion in objects.
- Heat can bring about various changes in matter, including changes observed in Activity 4.1.
- Heat is capable of killing microorganisms, as demonstrated by scientific experiments.
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Description
Learn about heat, a form of energy, and how it is transferred, converted, and affects the temperature of substances.
