What's d Matter?
Anything that has mass and occupies space is called?
matter
If the molecules are loosely packed and moderately spaced is called?
liquid
If the molecules of a matter are very far apart, the state of matter is called?
gas
What state of matter is a cooled drink ___________.
liquid
A tray of water was kept in the freezer. The water changed into ice. This physical phase is called
freezing
Matter is made up of very small particles called
molecules
If the molecules are very close to each other and tightly packed its called?
solid
When we heat water, it changes into?
water vapor
Matter is any substance that has ______ and space.
mass
It is the amount of heat energy that is absorbed or released by a substance during a phase change
Latent heat
Which of the following fills the container? solid, liquid, gas?
gas
Molecules can be seen under a thing called?
microscope
Its is a phase change in which a gas substance changes into a solid state without first passing through the liquid state.
Deposition
The instrument through which molecules can be seen is called ________________.
microscope
__________ is a process in which a solid substance changes into a liquid state due to an increase in temperature.
melting
On heating, the movement of particles becomes?
faster as they gain kinetic energy
On heating, a solid becomes?
expands
What are the states of matter?
solid, liquid, gas
The process of changing liquid into a solid through cooling is called ________________.
freezing
It is a process in which a liquid substance changes into a gas state at a temperature below its boiling point, due to the energy supplied to the surface molecules of the liquid.
evaporation
On cooling, water changes into?
ice
On cooling, the matter becomes?
contracts
Give at least 3 examples of a solid
rock, table, chairs
The process in which solid turns into gas is called _____________.
sublimation
It is a phase change in which a gas substance changes into a liquid state.
condensation