IGCSE Physics Yr 10 - Thermal Energy Transfers and Properties

It describes the state of two objects (or an object and its surroundings) that are at the same temperature so that there is no heat flow between them.

• thermal balance

• thermal equilibrium

• room temperature

• thermal stasis

The measure of the total energy of all the particles.

• internal energy

• heat

• temperature

• kinetic energy

The measure of the average kinetic energy of the individual particles.

• internal energy

• temperature

• heat

• kinetic energy

Who invented the first thermometer?

• Sir Isaac Newton

• Aristotle

• Galileo Galilei

• Anders Celsius

What is the freezing point of pure water?

• 273 K

• 0^oC

• 31^oF

• 0^oF

A resistor whose resistance changes a lot over a small temperature change.

• thermistor

• thermocouple

• transducer

• trip switch

An electrical device made of two different metals, used as an electric thermometer.

• thermistor

• transducer

• thermocouple

• trip switch

The process of giving a scale to a measuring device.

• delineating

• calibration

• weighing

• marking

What are the two fixed points on a celsius scale? (choose two answers)

• lower fixed point

• upper fixed point

• dew point

• mid point

The expansion of a material when its temperature rises.

• thermal expansion

• thermal extension

• thermal increase

• thermal widening