Thermal equilibrium is the state in which two objects in contact no longer exchange heat because they have reached the same temperature.
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Radiation is the transfer of heat through electromagnetic waves. It doesn’t require a medium, meaning heat can travel through a vacuum, like from the Sun to Earth.
A clinical thermometer is a device used to measure body temperature. It typically has a narrow temperature range and can be digital or liquid-in-glass.
An infrared thermometer measures temperature by detecting infrared radiation emitted by objects. It allows non-contact temperature measurement, making it useful for both industrial and medical purposes.
The Fahrenheit scale is a temperature scale where water freezes at 32°F and boils at 212°F. It is primarily used in the United States and a few other countries.
No, using paper-like materials for cooking utensils is impractical because they cannot withstand high temperatures, moisture, or repeated use. They would disintegrate, burn, or lose strength, making them unsuitable for cooking purposes.
I created a planter from discarded plastic bottles, decorated with paint and fabric scraps. Discussing with friends, we shared ideas and materials used. Feedback focused on enhancing durability and aesthetics for better functionality and visual appeal.
Objects can be classified into groups like plastic, metal, glass, and paper. Each material’s properties, such as durability or flexibility, relate to its function—plastics are used for containers, metals for tools and glass for windows.
Soluble pairs: vinegar and glucose, water and glucose. Insoluble pairs: mustard oil and water, honey and wheat flour. Glucose dissolves in vinegar and water, while mustard oil and honey do not dissolve in the others.
Natural materials come from nature and require minimal processing, like wood and cotton. Man-made materials are chemically processed and engineered for specific properties, like plastic and glass. They differ in origin and usage.