A thermometer is for measuring temperature.
It can tell you if you have a temperature...
No. Microphone will be not useful in future.
For example a thermometer.
measture a tempreture
A thermometer and light meter are the most useful when measuring two environmental changes.
singing would be useful in the future to entertain people
The purpose of hanging a thermometer outside is to determine outdoor temperature near one's home. Due to the erratic weather reports, people have chosen to determine their own temperature by hanging a thermometer outside.
There is no difference between a heat thermometer and a regular thermometer. A thermometer measures the average kinetic energy of something, also known as heat. A thermometer's purpose is to measure heat, so a regular thermometer is the exact same thing as a regular thermometer, just with different names.
A Six's thermometer is a thermometer invented by James Six, which is capable of measuring the maximum and minimum temperatures during a given time. This makes it very useful for measuring extreme temperatures.
The purpose of mining is to find and retrieve useful materials in the ground and bedrock.
No, it serves no useful purpose.