Study Notes
Temperature is a measure of how hot or cold an object is, indicating its thermal energy. Thermometers use thermometric properties to measure temperature accurately on the Celsius scale.
- Temperature — a measure of how hot or cold an object is. Example: Measured in degrees Celsius or Kelvin.
- Thermometer — an instrument that uses a temperature scale to measure temperature. Example: Mercury-in-glass thermometer.
- Thermometric Property — a physical property that changes with temperature. Example: Volume of a liquid or electrical resistance.
Exam Tips
Key Definitions to Remember
- Temperature: A measure of how hot or cold an object is.
- Thermometric Property: A physical property that changes with temperature.
Common Confusions
- Confusing temperature with heat.
- Misunderstanding the difference between Celsius and Kelvin scales.
Typical Exam Questions
- What is a thermometric property? A physical property that changes with temperature.
- How does a mercury thermometer work? It measures temperature based on the expansion of mercury.
- What are fixed points in temperature measurement? 0°C and 100°C, representing the melting and boiling points of water.
What Examiners Usually Test
- Understanding of how different thermometers work.
- Ability to explain the concept of fixed points in temperature scales.