HEAT

A reliable measure of the hotness of an object is its _____________

• Heat

• Cold

• Temperature

• Heat , cold

Temperature is measured by a device called ____________

• Stick

• Thermometer

• Clinical thermometer

• Laboratory thermometer

A clinical thermometer read temperature from____________

• 35°C to 42°C

• 10°C to 110°C

• 42°C to 35°C

The normal temperature of human body is 37°C.

• True

• False

The materials which allow heat to pass through them easily are called___________

• Conductors

• Insulators

• Heat

• Radiation

______________ is the mode of heat transfer in liquids and gases

• Conduction

• Radiation

• Convection

One litre of water at 30 °C is mixed with one litre of water at 50°C . The Temperature of the mixture will be

• 80°C

• 20°C

• More than 50°C but less than 80°C

• Between 30°C and 50°C

What is the unit of Temperature?

• Joule

• Heat

• Metre

• Kelvin

Heat always flows

• FROM A COLDER OBJECT TO HOTTER OBJECT

• FROM A HOTTER OBJECT TO COLDER OBJECT

• BOTH THE WAYS

• NONE OF THESE

Which one is filled in the bulb of thermometer?

• MERCURY

• LEAD

• COPPER

• SILVER