Explanation: Thermocouples are commonly used to measure temperature in various environments, including the bed of the sea, due to their ability to withstand extreme conditions and provide accurate readings in high-pressure and underwater environments.

Explanation: Water exhibits anomalous expansion, meaning it expands when cooled from 4°C to 0°C. The maximum density of water occurs at 4°C, and it begins to expand as it freezes. This unique property plays an important role in aquatic life survival during cold weather.

Explanation: The freezing point of water, or the temperature of ice, is 0°C, which is equivalent to 273 Kelvin.

Explanation: Thermometers can measure temperature in different units, such as: Degree Celsius (°C) Fahrenheit (°F) Kelvin (K) The unit used depends on the type of thermometer and the measurement system being followed.

Explanation: Both diamond and silver are excellent conductors of heat and electricity. The best insulators of heat and electricity are materials like rubber, wood, glass, and plastic, which do not allow heat or electricity to pass through easily.

Explanation: Heat units include erg, joule, and calorie. Erg is used in the CGS system, joule is the SI unit, and calorie measures heat, commonly for food energy in biology and chemistry.