Answer :

1. What are the unit of heat?

Explanation :-

As heat is a form of energy, so it's S.I. unit of heat is Joule ( J ), but heat is also measured in calories ( cal ).

2. What is the meaning of term 'temperature' ?

Explanation :-

The measure of the degree of hotness or coldness of a body is called temperature.

3. Name the three mode of heat transfer.

Explanation :-

The three modes of transfer of heat is,

• Conduction
• Convection
• Radiation

4. Name the collective term used for both liquids and gases.

Explanation :-

The collective term used for both liquid and gases are fluids.

More Information

• Temperature is generally measured °C or °F.
• The S.I. unit of temperature is Kelvin ( K ).
• The device used to measure the temperature of an object or the body is called thermometer.
• 1 kilocalories = 1000 calories.
• 1 calorie = 4.186 joules.
• Liquids and gases can flow, so, they are called fluids.

Verified answer

Answer:

Here's is yours answers

Explanation:

1. joules

2. A measure of ability of a substance or more generally of a y physical systems to transfer to heat energy to another physical system.

3. the three types of heat mode transfer

covection, conduction , radiation

4. I don't know this answer

but I think it is helpful for you