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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: Change of state
Boiling differs from evaporation in that:
Boiling occurs throughout the liquid.
Evaporation occurs at surface only.
All are correct.
Evaporation can occur at any temperature.
Particles in a solid are:
Closely packed and vibrate in place.
Moving rapidly and randomly.
Far apart and vibrate in place.
Far apart and move freely.
In which state do particles move fastest?
Gas.
Solid.
Liquid.
They move at the same speed.
Melting is:
Gas to solid.
Solid to liquid.
Gas to liquid.
Liquid to solid.
When water boils, its temperature:
Remains constant at 100°C.
Continues rising.
Drops suddenly.
Freezes.
