The movement of cool air from land to sea is known as

  • sea breeze
  • land breeze
  • forward breeze
  • reverse breeze

The best insulating windows use

  • single glazed windows
  • double glazed windows
  • double painted windows
  • single painted windows

Nowadays, instead of glass, manufacturers are using

  • double sided metal
  • single sided metal
  • shiny metal
  • dull metal

All substance are made up of particles that are constantly

  • moving
  • vibrating
  • absorbing
  • releasing

The light cannot travel from sun to earth by

  • convection only
  • conduction only
  • conduction and convection both
  • radiation only

A perfectly empty 'space' without air is known as

  • vacuum
  • lithosphere
  • atmosphere
  • exosphere

An example of good conductor of heat is

  • copper
  • glass
  • water
  • plastic

A solar 'eclipse' occurs when

  • sun comes between earth and moon
  • moon comes between earth and sun
  • earth comes between moon and sun
  • sun is behind earth and moon

Kettles and saucepans are painted silver, this is why they

  • absorb less heat
  • reflect less heat
  • absorb more heat
  • release less heat

Radio waves that carry signals of radio and television, travel at

  • speed of light
  • speed of comet
  • speed of Earth
  • speed of Venus

At night, land turns to be

  • warm than sea
  • cool than sea
  • very hot
  • extremely hot

When warm air rises above the land,

  • vacuum is created beneath it
  • more warmer air replaces it
  • temperature decreases
  • cool air from sea replaces it

An example of bad conductor of heat is

  • aluminum
  • copper
  • gold
  • plastic

Infected tissues are mostly

  • warmer than normal ones
  • cooler than normal ones
  • big in size
  • irregular in shape

Trees help in making environment

  • cool
  • warm
  • hot
  • clean

Soil and plants emit

  • low ultraviolet rays
  • high ultraviolet rays
  • low infrared waves
  • high infrared waves

At night, warm air rises over

  • land
  • sea
  • trees
  • ground

One of the medical use of thermal imaging cameras is that, they can

  • identify cancer cells deep in the body
  • identify bacteria in the vessels
  • identify viruses in skin tissues
  • identify diseases of heart

An example of good insulator of heat is

  • iron
  • wood
  • gold
  • zinc

Birds trap air between the spaces of their feathers because they are

  • thermal conductor
  • thermal insulator
  • electrical conductor
  • electricical insulator

In hot countries, most of the buildings are painted with

  • white color
  • black color
  • blue color
  • brown color

The loss of heat in winter is a major waste of

  • fuel
  • electricity
  • power
  • energy

'Thermos' is also known as

  • temperature flask
  • heat flask
  • thermal flask
  • vacuum flask

In cold climates, building gets cold because of excessive escape of

  • heat
  • radiations
  • waves
  • rays

In a thermograph, heat is identified by

  • different sizes of lines on a photograph
  • different shapes on a photograph
  • different colors on a photograph
  • different images on a photograph

Heat is not allowed to pass through by a

  • metalloids
  • transition metals
  • non metals
  • metals

In common use, thermal imaging cameras can

  • identify temperature of roads
  • identify heat distribution in buildings
  • cool down the temperature of roads
  • identify the heat released by each car

A hot object emits thermal energy in the form of

  • waves
  • rays
  • energy
  • radiations

The objects those are warmer than their surroundings

  • gain heat
  • lose heat
  • transfer heat
  • share heat

Low 'infrared waves'

  • cannot pass through glass
  • can pass through glass
  • cannot pass through walls
  • can pass through walls
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