Chemical or Physical?
A solid is crushed into a powder.
A physical change.
What are the 3 states of matter?
Solid, Liquid, and Gas.
What is the formula for density?
D=M/V
Matter is everything around you. It has mass and takes up space.
Fireworks explode giving off heat and light.
A chemical change.
Evaporation occurs when liquid changes into a gas.
True!
Give an example of a physical change.
....
Measures how much matter is present in a substance.
Mass.
HOW READILY A SUBSTANCE UNDERGOES A CHEMICAL REACTION.
Reactivity.
What is condensation?
Condensation occurs when a gas turns into a liquid.
What is the density of water?
1 mL/cm3
What is a physical property?
A CHARACTERISTIC THAT CAN BE OBSERVED OR MEASURED WITHOUT CHANGING A MATERIAL
WHEN OXYGEN COMBINES WITH A SUBSTANCE
Oxidation
What takes the shape of the space it fills?
A liquid.
Give an example of a chemical change.
...
What is a chemical property?
Indicates how a substance reacts with something else
DESCRIBES HOW EASILY A SUBSTANCE DISSOLVES WHEN MIXED WITH ANOTHER SUBSTANCE
Solubility
Finish this sentence.... "The higher the temperature gets the particles ___________________"
Move faster or spread out.
the comparison of the density of one material as it relates to another (usually water).
Relative density.
How much space an object or substance takes up (its volume) in relation to the amount of matter in that object or substance (its mass).
Density