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Tienes 30 minutos para completar 15 preguntas de este test.
The process by which a substance changes directly from solid state to gaseous state is called...............
melting
sublimation
freezing
boiling
The ................of matter are closely packed in the solid state and further apart in gaseous state.
particles
properties
kinetic nature
mass
Matter exists in................physical states
two
six
one
three
Which of the following is a physical change?
milk left on the counter turns sour
common salt dissolves completely in water
a forest fire burns all the trees
fruits are fermented to produce wine
Matter is anything that has...................
volume and occupies space
mass and occupies space
density and volume
mass and volume
A substance that can be easily compressed in its container is......................
stone
water
gas
grease
The change of state of matter from gas to solid without passing through liquid state is............
condensation
evaporation
deposition
Matter is made up of ...............
gases
small particles
liquid molecules
small blocks
The change of state of matter from solid state to liquid state is called.............
Diffusion takes place liquids and gases
Matter is continuous in form
Brownian motion is the systematic vibration of particles in certain solids
The temperature at which a liquid changes to gas is called the boiling point
The shape of a liquid depends on the container holding it
Both solids and liquids are easily compressible
