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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 effect of heat is used in cooking food?
Heating.
All are correct.
Conduction.
Expansion.
What happens to matter when heat is applied?
It always expands.
It always contracts.
Nothing.
It may expand, melt, or evaporate depending on the state.
Heat can change the state of matter. Which of the following is an example?
Steam condensing.
Ice melting.
Water freezing.
Frost forming.
Double-glazed windows reduce heat loss by:
Radiation.
Trapping air between panes.
Conduction.
Convection.
Convection is:
Heat absorption.
Heat transfer through vacuum.
Heat transfer through moving fluids.
Heat transfer through solids.