How do you make a homemade thermometer without alcohol?

Insert the straw and secure a firm seal around the opening of the bottle. We used a lidded milk bottle and then added some sticky tack to really create a good seal around the straw. If air is able to get at the liquid, it will skew the accuracy of the thermometer, and slowly cause it to evaporate!

Can I take my temp without a thermometer?

Touch your chest and back. If they feel hotter than usual, you may have a high temperature. You may also have other symptoms such as feeling shivery (chills). Touching your forehead is not a very accurate way of checking your temperature.

Can a mercury thermometer measure air temperature?

Traditionally, air temperatures are measured with mercury-in-glass thermometers shielded from radiation by being enclosed in some form of screen. It is also common to measure air temperature in conjunction with wet bulb temperature using an instrument known as a Psychrometer (see below).

What can you do without a thermometer?

Checking for a fever without a thermometer

1. Touching the forehead. Touching a person’s forehead with the back of the hand is a common method of telling whether or not they have a fever.
2. Pinching the hand.
3. Looking for flushing in the cheeks.
4. Checking urine color.
5. Looking for other symptoms.

How do you make a simple thermometer?

STEP 1: Add red food coloring, 1/4 cup water, 1/4 cup alcohol and a tablespoon of oil into a mason jar and mix. STEP 2: Stick the straw through the straw hole and tighten the lid onto the jar. STEP 3: Mold a piece of playdough on the lid around the straw, which will hold the straw about 1/2” from the bottom of the jar.

Can I check my fever with my phone?

Fingerprint Thermometer is a smartphone android app that measures the most accurate temperature rate monitor app for any smartphone. Using the app can optimize your health and track your fever.

Can you use a meat thermometer for HVAC?

Thanks. Depending on the thermometer it may be fairly close or it could be off. You generally want instruments that will be getting reading in about the middle of the scale for best accuracy. However for what you are checking it is probably close enough.

What device measures air temperature?

Air temperature is measured with thermometers. Common thermometers consist of a glass rod with a very thin tube in it. The tube contains a liquid that is supplied from a reservoir, or “bulb,” at the base of the thermometer.

Can you check your body temperature with your phone?