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Does Mercury have a low heat capacity?

Mercury has a low specific heat capacity . Therefore it does not take much heat from the body whose temperature is to be measured otherwise it will lower the temperature of the body.

Does Mercury have high specific heat?

Mercury has relatively lowest specific heat. Its temperature does not change rapidly with heat.

Which of the following has the highest specific heat?


Why only mercury is used in thermometer?

Most metals are good conductors of heat and they are solids at room temperature. Mercury is the only one in liquid state at room temperature. It’s used in thermometers because it has high coefficient of expansion. Hence, the slightest change in temperature is notable when it’s used in a thermometer.

What is a normal temperature for a child taken on forehead?

Call your healthcare provider right away if any of these occur. Infant under 3 months old: Ask your child’s healthcare provider how you should take the temperature. Rectal or forehead (temporal artery) temperature of 100.4°F (38°C) or higher, or as directed by the provider.

When taking a child’s temperature should the caregiver be?

Place the tip of the thermometer under the child’s tongue, toward the back of the mouth. Tell your child to press his lips together and be very careful not to bite the thermometer or talk with the thermometer in his mouth. Stay with your child to make sure he remains still. Hold the thermometer in place until it beeps.

What is normal ear temperature for a child?


Measurement method Normal temperature range
Rectum 36.6°C to 38°C (97.9°F to 100.4°F)
Mouth 35.5°C to 37.5°C (95.9°F to 99.5°F)
Armpit 34.7°C to 37.3°C (94.5°F to 99.1°F)
Ear 35.8°C to 38°C (96.4°F to 100.4°F)

How do you check a baby’s temperature rectally?

Rectal Temperature: How to Take Have your child lie stomach down on your lap. Another way is on the back with the legs pulled up to the chest. Put some petroleum jelly on the end of the thermometer and the anus. Slide the thermometer gently into the anus no more than 1 inch.

What should I do if my baby has a low temperature?

If your baby’s temperature is low and you’re unable to increase their temperature by adding clothing, using your body heat, or swaddling, call their pediatrician right away. You may be directed to seek emergency medical help. If you can’t reach them and your baby seems ill, go to the nearest emergency room.

What body temp is too low for a baby?

A temperature below 97 F is considered too low for babies. Older adults can also struggle to keep their body temperature in a normal range if they’re somewhere with intense air conditioning or there’s not enough heat. For both the elderly and young children, a below-normal body temperature can be a sign they’re sick.