Matter
Define matter
Anything that has mass and takes up space
Liquid to gas
Boiling
Elements and compounds can move from one phase to another phase when special______ are present
Physical
In a ____ change, such as a change of state, the substance as a whole changes, but kHz underlying structure remains the same
Physical
P or C: mixing sugar and powdered drink mix
Physical
Typically, the pressure is atmospheric pressure, so ________ is the determining factor to the change on stage in those cases
Temperature
Gas to liquid
Condensation
Gas to solid
Deposition
Why is the grass wet in morning when didn't rain night before
Air temperature lowered during night it caused air to form into liquid
The____ is considered the basic unit of any element
Atom
Temperature is related to the ______ of an object atoms or molecules
Average kinetic energy
In physical changes you have the same matter ________ and ________ the change
Before and after
Many of these chemical changes in our_____ and the ______ of dynamite are fast chemical changes
Bodies and the exploding
When u reach the temperature of the______ point, you become a liquid
Boiling
Flammability means that matter ha s the ability to__________
Burn
A chemical____ is the process by which a certain substance becomes a different substance
Change
A material will______ at specific combinations of temperature and surrounding pressure
Change from one state or to have to another
What is chemical change
Changes matter undergoes are classified chemicaly
What is a solid
Closely packed particles in geometric arrangement m, has definite shape, definite volume
___ is another slow chemical change that occurs when living things are broken
Decomposition
_____ held that all matter is made up if four " elements"- earth, air, fire, and water
Empedocles
Scientists use something called a _____ to measure when that liquid turns into a solid
Freezing point
_______ hold huge amounts of energy, and their molecules are spread out as much as possible
Gases
What is a gas
Have energy to spread out evenly in contact, indefinite shape and indefinite volume
What is a liquid
Have more space than solid, particles slide pash each other indefinite shape and definite volume
Another clue that a chemical change has occurred when paper is burned in that_____ is given off
Heat
What does the kinetic theory explain
How particles in matter behave
3 examples of chemical changes
Iron into rust, car battery acid to sulfur, digesting food
Solid to liquid
Melting
How are temperature and kinetic energy related
Molecules get hotter, move around faster, motion-energy of motion
In a chemical change a ______ distance is formed
New
_____ is an important chemical reaction in plants that is used to produced energy for the plant
Photosynthesis
Melting a sugar cube is a_________ change because the substance is still sugar
Physical
_____ are a lot like gases, but the atoms are different because they are made up of free electrons and ions of the element
Plasma
A chemical_____ is a way to describe how matter reacts with other natter
Property
A chemical____ is a chemical change in which one or more substance is changed
Reaction
A physical change is a change in the physical properties of matter, such as a change in______,_______, or______ of matter without matter changing chemically
Size shape phase
What are the 3 properties of matter
All matter has inertia and weight, gravitation, volume and inpencitability
What are the three things that make up the kinetic theory
All matter is composed of particles, particles are always moving, particles collide with each other and the walls of their container
P or C:electricity from a battery causes a light bulb to light
Chemical
Rust is an example of __________ change
Chemical
What was the boiling point
Idk
When____ reacts with oxygen in the air, it corroded creating a new substances.
Iron
The process of rushing is a______ chemical change
Slow
Th atoms inside of a ____ are not allowed to move around too much
Solid
Solid to gas
Sublimation
What is expansion
Increase in size of substance when the temperature increases and contracts when cooled
What does the state o matter mean
The state of a sample of matter depends on temperature
The state of a Sample of matter depends on____[
The temperature
What is a physical change
To charge the state of matter physically
Exception: _____- when cooled, it expands
Water
What is another word for gas
Water vapor
Example of physical changes
Cutting price of paper, ice melting, boiling water
The burning of logs is another is an example of a ____ chemical change
Fast
Liquid to solid
Freezing
