Temperature

• Science
• Secondary Education

Which of the following are types of thermometers?

1. liquid thermometers
2. laser thermometers
3. digital thermometers
4. infrared thermometers

Liquid thermometer

Digital thermometers

Infrared thermometers

cheap, easy to read, can be submerged in liquids, require very little maintenance and are reliable

break easily and there is risk of mercury poisoning if the glass tube breaks.

uses electronic heat sensors and displays the reading digitally on a small LCD screen located on one side of its broader end. 

 non contact thermometer that uses IR rays that are invisible to humans as they have wavelengths longer than visible light.

01:12

Why do we need to convert between Temperature scales?

02:07

What is the freezing point of water in Fahrenheit?

1. 32
2. 22
3. 10
4. 212

03:09

If Los Angeles is 95 degrees, Fahrenheit and Rome is at 32 degrees Celsius? Which city is hotter?

03:53

What does absolute zero mean?

05:23

Convert 275 degrees F into Celsius and then into K

Exit ticket: Give one importance of temperature in your daily life