Physics · Heat, sound and electricity
Thermometer: Celsius, Fahrenheit and Kelvin
Temperature tells us how hot or cold something is. The same temperature can be written on different scales.
- Celsius
- 25 °C
- Fahrenheit
- 77 °F
- Kelvin
- 298 K
Try this
- Find the temperature where water freezes and where it boils.
- Find normal human body temperature.
- At which temperature are °C and °F the same number?
Key ideas
- °F = °C × 9/5 + 32
- K = °C + 273
- Water freezes at 0 °C and boils at 100 °C (at sea level).