Question

define-

thermometer
radiation
temperature
​

Answer 1

$\mathbb{\huge{\red{HEY\:MATE}}}$

THERMOMETER
a device used to measure the temperature.

RADIATION
mode of transfer of heat which does not require any material medium.

TEMPERATURE
an indicator of the degree of hotness or coldness of an object or a substance.

Answer 2

i) A thermometer is a device that measures temperature or a temperature gradient. A thermometer has two important elements: a temperature sensor in which some change occurs with a change in temperature; and some means of converting this change into a numerical value.

ii ) Radiation is energy that comes from a source and travels through space and may be able to penetrate various materials. ... The kind of radiation discussed in this document is called ionizing radiation because it can produce charged particles (ions) in matter.

iii) Temperature is a physical quantity expressing hot and cold. It is measured with a thermometer calibrated in one or more temperature scales. The most commonly used scales are the Celsius scale, Fahrenheit scale, and Kelvin scale.

Please mark as brainliest