States of matter Flashcards
What are examples of solids at room temperature?
Steel, plastic and wood.
What is a particle?
A particle is a general term for a small piece of matter.
How are particles in a solid arranged?
Particles in a solid are arranged close together, and arranged in a regular way.
What are the strong forces in a solid that attract the particles towards each other?
The strong forces are called bonds.
What are some examples of liquids at room temperature?
Mercury, petrol and water.
How are the particles in a liquid arranged?
Particles in a liquid are arranged close together, and arranged in a random way.
What are some examples of gases at room temperature?
Air, helium and chlorine.
How are the particles in a gas arranged?
The particles in a gas are arranged far apart, and in a random way.
When do gas particles cause pressure?
When they hit the walls of their container.
When can substances usually change state?
Usually when their heated or cooled.
What happens when a liquid reaches its boiling point?
Evaporation happens very quickly and the liquid boils.
In a cube of ice, at what speed do the particles vibrate at?
Slowly
What is the conservation of mass?
The conservation of mass is the fact that the mass of the substance stays the same when it changes state.
