States of Matter
This state of matter will take the shape of its container.
What is a liquid?
When a solid changes to a liquid as a result of warming temperatures.
Melting
What are the forces that act between particles?
Intermolecular forces
What is 100 degrees celsius?
boiling point
Solids, liquids, and gases are this.
What are the states of matter?
When a liquid changes to a solid as a result of cooling temperatures.
Freezing
This is the amount of matter it has.
What is mass?
How does a thermometer work?
When the thermometer is exposed to warmer temperatures, the liquid inside expands and moves up the glass tube. When the thermometer is exposed to cooler temperatures, the liquid inside contracts and moves down the glass tube.
What is volume?
How much space something takes up (measured in L or mL).
Explain why lakes, rivers and ponds do not freeze completely solid.
The ice layer that forms on top acts like a blanket and insulates the liquid water below, slowing down heat loss.
The forces are strongest in ______ and weakest in ________.
solids, gases
What is boiling point and freezing point?
100 and 0
What is thermal expansion?
This happens when something gets bigger because it's heated.
What is the difference between density with water versus other things?
Water’s density decreases when it changes from a liquid to a gas because of the shape the particles make (spread out). This is why ice floats.
What is the principle of conservation of mass?
the total mass of substances doesn't change. It means that matter can't disappear or be created out of nothing
What is thermal contraction?
Contracting because of temperature change
This process involves a substance transitioning from a solid state directly to a gas, skipping the liquid state.
What is sublimation?
The particles are held together firmly and they jiggle or vibrate very fast in place.
What is a solid?
What is the difference in volume when water freezes vs other things?
Water’s volume will increase from a liquid to a solid because of the shape the particles make (crystalline structure).
What are the 4 points in particle model?
All matter is made up of TINY PARTICLES.
The particles may be ATTRACTED to each other.
The tiny particles are always MOVING.
The particles have SPACE between them.
What season would a football be the most inflated?
Summer, because the air molecules are expanding due to the warm temperature
Everything around you that takes up space.
What is matter?