- A small fish tank or similar clear sided container.
- 8 small baby food jars or similarly watertight, lidded containers.
- Sand.
- Water.
- Vaseline or silicone sealant.
- Digital Scales and a measuring cylinder.
What should you do if you spill mercury?
Sprinkle sulfur powder over the contaminated area and rub it gently all over the surface and into the cracks with a paper towel. Sulfur powder binds with mercury. Use a paper towel dampened with water followed by wiping with another damp paper towel to clean up the sulfur and mercury.
Did Galileo invent the thermometer?
Galileo Galilei is often claimed to be the inventor of the thermometer. However the instrument he invented could not strictly be called a thermometer: to be a thermometer an instrument must measure temperature differences; Galileo’s instrument did not do this, but merely indicated temperature differences.
How do I shake down a glass thermometer?
Can mercury thermometers stop working?
A separation of the mercury in your thermometer is not a defect! It is a condition, normally caused by shock in transit, which of course must be rectified before using the thermometer, or you will experience significant errors in your readings.
Why are glass thermometers rarely used today?
why are glass thermometers rarely used today? it contains mercury, which is a dangerous element. Threat of mercury spills and leak. … Then the thermometer can be rotated until the mercury column can be seen inside the glass rod.
Do you add a degree when taking temp under tongue?
Should I add a degree to oral (under the tongue) and axillary (under the arm) readings? Yes, for the most accuracy. … Oral and axillary temperature readings are about ½° to 1°F (. 3°C to .
What is considered a fever under the tongue?
Fever. In most adults, an oral or axillary temperature above 37.6°C (99.7°F) or a rectal or ear temperature above 38.1°C (100.6°F) is considered a fever. A child has a fever when his or her rectal temperature is higher than 38°C (100.4°F) or armpit (axillary) temperature is higher than 37.5°C (99.5°F).
How do you clean a glass thermometer?
For glass thermometers, wash it with soap and cool water, then rinse and dry. Or you can it wipe with a cloth soaked in alcohol. Allow it to air dry. For digital thermometers, wipe the probe with alcohol and a soft cloth.
Are glass thermometers accurate?
The accuracy of a typical glass thermometer is ±1 scale division. These are available in partial immersion or total immersion types and typically have to be considerably longer to achieve the same specifications as a mercury thermometer.
Do glass thermometers go bad?
Thermometers do not expire, but they do have to eventually be replaced.
