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Classifying Matter
Physical Properties
Physical Changes
Chemical Properties and Changes
Vocabulary
100
Parts of an atom
What are electrons, protons and neutrons
100
Mass, density, volume, solubility, melting point, boiling point, state of matter
What are physical properties
100
Never changes during a physical change
What is total mass
100
Bubbles, energy change, change in odor, change in color
What are signs of chemical change
100
Substances present before a chemical reaction
What are reactants
200
Matter with a composition that is always the same
What is a substance
200
solid, liquid, gas
What are states of matter
200
Change in shape and size
What is a physical change
200
Observed only as a material undergoes chemical change and changes identity
What is a chemical property
200
substance consisting of one type of atom
What is an element
300
Atomic number 15 on the periodic table of elements
What is Phosphorus
300
particles move very quickly, spread out, and fill their container
What is the gas state
300
Causes particles in the solid state of matter to move more quickly
What is addition of thermal energy
300
Changes during a chemical change but not during a physical change
What is identity of matter
300
Form a solution by mixing evenly
What is dissolve
400
Matter classification of NaCl
What is a compound
400
Unit used to measure volume
What is milliliter
400
Causes particles of matter to move more slowly
What is removal of thermal energy
400
temperature, concentration, surface area
What are factors affecting the rate of chemical reactions
400
Mass per unit volume of a substance
What is density
500
Classification of matter of a sand and water mixture
What is a heterogeneous mixture
500
physical property that would be helpful in separating water from another substance
What is boiling point of water
500
Physical changes that occur at the same temperature
What is freezing and melting or boiling and condensation
500
flammability, toxicity, oxidation
What are chemical properties
500
New substances formed during a chemical reaction
What are products