Heat, Temperature, and Heat Transfer Practice Flashcards

Fill-in-the-blank practice flashcards covering heat definitions, temperature measurement instruments, modes of heat transfer, and insulation concepts.

Heat is defined as a form of energy which gives a sensation of __________.

warmth

In the word thermometer, "thermo" comes from the Latin or Greek for heat, while "meter" comes from Latin meaning __________.

to measure

A metal ice tray feels colder than a package of vegetables in the freezer because metal is a better __________ of heat.

conductor

The short temperature range of a clinical thermometer is $35\,^\circ\text{C}$ to __________.

$$42\,^\circ\text{C}$$

The normal temperature of the human body is $37\,^\circ\text{C}$, which corresponds to __________ on the Fahrenheit scale.

$$98.4\,^\circ\text{F}$$

The special feature that prevents mercury from falling on its own in a clinical thermometer is a constriction or __________.

kink

The range of an ordinary laboratory thermometer is $-10\,^\circ\text{C}$ to __________.

$$110\,^\circ\text{C}$$

A laboratory thermometer must be read while its bulb is inside the liquid because taking it out causes the level of __________ to fall.

mercury

The transfer of heat from one point to another without actual motion of the particles of the medium is called __________.

conduction

In the experiment using a rod made of two materials wrapped in paper, the paper over the __________ rod does not burn.

brass

The transfer of heat by the mass motion of a fluid from one region of space to another is called __________.

convection

In the water convection demonstration, purple streaks rise from crystals of __________.

potassium permanganate

To demonstrate convection in air, ignited touch paper made by soaking brown paper in strong __________ is used.

potassium nitrate

During the day, the cool air blowing from the sea towards the land is called a __________.

sea breeze

At night, the land loses heat faster than the water, causing a __________ to blow from the land towards the sea.

land breeze

The process of transmission of heat in which heat travels directly without any intervening medium is called __________.

radiation

Experiments show that surfaces that are good absorbers of heat are also good __________ of heat.

emitters

Utensils used for heating are painted black at the bottom to absorb heat, but are highly __________ from the outside to prevent heat loss.

polished

We wear light-coloured clothes in summer because they __________ most of the sun's heat.

reflect

Two thin woollen blankets are warmer than one thick blanket because an extra layer of __________ gets trapped between them.

air

To prevent convection currents in large wall cavities, the cavity is filled with a poor conducting material like __________.

plastic foam

Double glazing in windows traps a layer of air between two sheets of glass, providing insulation from heat and __________, while preventing condensation.

sound