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MATTER ITS PROPERTIES & ITS TRANSFORMATION: Change of state
MATTER ITS PROPERTIES & ITS TRANSFORMATION: Heat & Thermal Insulation
MATTER ITS PROPERTIES & ITS TRANSFORMATION: Temperature
Matter: Its Properties & Transformation
THE WORLD OF SCIENCE: Base Physical Quantities, SI Units & Measuring Instruments
THE WORLD OF SCIENCE: Measurement of Density
THE WORLD OF SCIENCE: Measurements of Speed
THE WORLD OF SCIENCE: Scientific Method
THE WORLD OF SCIENCE: Simple application of measurements
The Science World
5/30 MCQs for:
MATTER ITS PROPERTIES & ITS TRANSFORMATION: Heat & Thermal Insulation
Which material is commonly used for thermal insulation in buildings?
Steel.
Glass wool.
Copper.
Aluminum.
What happens to matter when heat is applied?
It always contracts.
It may expand, melt, or evaporate depending on the state.
It always expands.
Nothing.
Which of the following is a poor conductor of heat?
Aluminum foil.
Steel rod.
Copper wire.
Wool blanket.
Why does metal expand more than wood when heated?
Metals have higher thermal expansion coefficient.
Wood is heavier.
Wood absorbs heat.
Metals have loosely packed particles.
Which of the following is NOT a way heat is transferred?
Convection.
Conduction.
Radiation.
Insulation.
