Heat

Which one of the following is a reliable measure of heat?

• Hotness

• Coldness

• Temperature

• None of these

Tags

NGSS.MS-PS3-3

Name the device which is used to measure the hotness or coldness of an object.

• Picometer

• Barometer

• Manometer

• Thermometer

If we add a lump of ice to a tumbler containing water, ___________.

• heat flows from water to ice

• heat flows from ice to water

• heat flows from water to ice if water is more in quantity.

• heat flows from ice to water if ice is more in quantity.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The temperature at which pure ice melts is ___________.

• 0°C

• 100°C

• -100°C

• 98.6°F

Tags

NGSS.MS-PS1-4

A thermometer contains __________.

• water

• mercury

• silver

• copper

What is the normal body temperature of a healthy person?

• 37°C

• 37°F

• 37°K

• 98.4 K

Heat always flows ___________.

• from a colder object to a hotter object

• from a hotter object to a colder object

• in both directions

• from a stationary object to a moving object

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-3

NGSS.MS-PS3-4

Paheli and Boojho measured their body temperature. Paheli found hers to be 98.6°F and Boojho recorded 37°C. Which of the following statements is true?

• Paheli has a higher body temperature than Boojho.

• Paheli has a lower body temperature than Boojho.

• Both have normal body temperature.

• Both are suffering from fever.

The unit of measurement of temperature is ___________.

• metre

• kilogram

• degree celsius

• second

The liquid metal used in a thermometer __________.

• is able to expand uniformly for all temperatures

• is transparent and easy to see

• is opaque and difficult to read

• is able to expand uniformly for certain temperatures