the measurement of the degree of hotness or coldness of an object.

Heat is measured in Celsius (℃) and Kelvin (K) unit.

take place in solid, heat is transferred through the vibrating particles that are in contact.

takes place in fluid and gas, heat is transferred by the moving of convection current.

take place is vacuum, heat flows in the form of electromagnetic waves

Example of substance that allows heat to flow through it easily.

Example of substance that prevents or slow down the rate of heat through it.

Heat is measured in __________

Temperature is measured in ___________

Heat flows from __________ region to __________ region.

Heat can be seen.

plastic is a heat insulator

________________ has small gaps to let them expand in hot day.

____________ colour can release heat faster.

heat conductor __________ heat to flow through it.

A solid changing to a liquid is...

during the night, the _________cools down faster than the _________