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10 questions
Matter is made up of ____________ and ___________ particles.
small, moving
tiny, discrete
small, random
tiny, collide
Particles can only be seen through __________________ microscope
electronic
glass
electron
special
The particles in a matter always colliding with one another. When heat energy is supplied, the particles will move ________________
slower
randomly
faster
static
When the matter is being cooled, the particles will move _____________
faster
static
slower
randomly
This is arrangement for particles in ______________
Gas
Solid
Liquid
During evaporation, heat is ____________ from the surrounding and the liquid changes into gas.
absorbed
released
During condensation, heat is ________________ , so that water vapour changes into water droplets
released
absorbed
Choose the process happened when wet clothes hanging under the sunlight.
melting
evaporation
boiling
sublimation
During boiling, the particles move ______________ and freely to overcome force of attraction.
static
faster
slower
Dry ice at room temperature is examples for process ______________
melting
sublimation
freezing
condensation
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