Science: The Particle Theory of Matter Flashcards
What state of matter can you compress into a container?
Gas
Can any substance be compressed into a container as long as its in the gas state?
Yes
Why cant you compress liquids or solids?
You cant compress them because the particles are already touching each other and cant get closer together.
What happens to the size of an object when its heated?
It expands
What happens to the size of an object when its cooled?
It contracts
What is it called when liquid turns to gas?
Either evaporation or boiling
What is it called when liquid turns to solid?
It freezes
What is it called when solid turns to liquid?
It melts
What is it called when gas turns to liquid?
It condenses
What happens to the particles in a liquid during evaporation?
The particles at the surface spread out into the air.
What happens to the particles in a liquid during boiling?
Boiling occurs throughout the whole liquid. Bubbles form throughout the liquid and rise up.
Does boiling need to happen at high temperatures?
Yes
Does evaporation need to happen at high temperatures?
No, it can happen at any temperature.
What’s condensation?
It’s the change of state from gas to liquid.
What happens to the speed of the particles during condensation?
They move slower until they’re touching each other.
