Matter
Matter is anything that....
Has weight and takes up space
In which state of matter do particles move the slowest?
Solid
How are the particles arranged in a solid?
Fixed Shape, Fixed Position
What happens to particle speed when heat energy is added?
Particle speed increases
Explain what happens to the particles of ice as it melts.
They spread apart, speed up, more energy, but still are close together
Matter is made of...
Particles
In which state of matter do particles spread out and move the fastest?
Gas
Why don’t solids easily change their shape when moved from one container to another?
Strong Attractive Forces, it cannot change shape
What happens to particle speed when heat energy is removed?
Slows down
What is it called when a liquid changes into a gas?
Boiling or Evaporation
Which state of matter has a fixed shape and fixed volume?
Solid
How do the particles in a solid move compared to the particles in a liquid?
Particles in a solid are held in place, while liquids are free to move around, but held close together
Why can gases be compressed more easily than solids or liquids?
Gases have a lot of space between them
How is boiling different from evaporation?
Boiling adds heat, while evaporation has less energy involved
What is sublimation?
Solid to a Gas
Which state of matter takes the shape of its container but has a fixed volume?
Liquid
Which state of matter has the least amount of particle attraction?
Gas
Which State of Matter takes the shape of the container?
Liquid
What is deposition?
What is the change of state called when a gas turns into a liquid?
Condensation
What do we call a substance that is unable to be squeezed into a smaller space?
Incompressible
Why do gases spread out to fill the entire space they are in?
They are spread apart and move freely
Explain why particle attraction is strongest in solids and weakest in gases.
Solids - Less Energy, Gases - most energy
Explain how the particle model can be used to describe condensation on a cold glass.
Condensation happens on a cold glass because water vapor particles in the air lose energy, slow down, and change from a gas to a liquid.
How does adding energy cause a solid to eventually become a gas?
Adding energy makes the particles in a solid vibrate faster until they break free into a liquid, and with even more energy, they move far apart and spread out as a gas.