Pure Substance vs Mixtures
Matter
Physical and Chemical Changes
Density
Atom, Compounds, Elements
Miscellaneous
100
Juice you buy from the grocery store...Which specific type of mixture
What is a homogeneous mixture?
100
The smallest unit of matter
ATOMS
100
What is a chemical change?
100
Calculation for density
What is the mass divided by the volume?
100
A substance containing 2 or more different atoms, bonded together is a
What is a compound?
100
Rusting is an example of what
Chemical Change
200
SUGAR OR SALT are pure substances or mixtures?
PURE SUBSTANCES
200
The two things that make up matter
What is MASS and VOLUME
200
Boiling water is an example of what type of change
Physical change (A change in state)
200
A liquid with the least density such as rubbing alcohol will do what if poured into a glass that has liquids with different densities?
What is float to the top?
200
Atoms of only one type are called ______________
What is elements
200
This measurement changes if you are on different planets
What is Weight?
300
Sugar Water solution Pure substance or Mixture
Mixture
300
This is why we use Mass instead of Matter
What is Gravity?
300
Sugar or Salt dissolved in water
Physical change
300
If a basketball has a volume of 140 cubic cm and a mass of 560 grams, what is its density?
4 grams/cm3
300
N2 and H2 are examples
Molecules
300
Mass, Matter and Density all share this
What is all 3 are NOT affected by gravity
400
Any element in the periodic table including Hydrogen, Oxygen, Carbon, Gold that cannot be broken down any further
What is a pure substance
400
A crushed can is an example of what subset of which type of property
subet: change in form or appearance
Type: Physical change
400
Flammability, Radioactivity, Reactions
What are chemical properties?
400
Knowing the density of an unknown substance will allow you to discover...
What it's identify is?
400
H2O or Water
What is a compound and a molecule?
400
During a fire what happens to all the mass of the fire and the objects burned
The mass changes form but the amount of mass after the reaction is the same amount of mass as before
500
Smog a fog or haze with smoke and other atmospheric pollutants. Pure substance or Mixture.
What is a Mixture?
500
White is Oxygen and Red is Carbon. Types/Amount of Atoms and what compound/molecule is this
What is 2 Oxygen atoms + 1 Carbon Atom, what is CO2 or Carbon Dioxide?
500
How is a chemical change different from a physical change?
Chemical change results in new substance with different chemical properties.
500
All these blocks have the same what? but different what? Which of these will float?
They all have the same volume.
All have different masses
The wood block is most likely to float to the top because it is the least dense
500
Diamond and Graphite
What are 2 forms of the element Carbon
500
Calculate density for 2 liquids. Which will sink, which will float?
Liquid 1 is 137 grams and 100 mL
Liquid 2 is 92 grams and 100 mL
Liquid 1 density is 1.37 g/mL. more dense/sink
Liquid 2 density is 0.92 g/mL, less dense/float