2. VocabularyVocabulary
Matter-anything that has mass and volumeMatter-anything that has mass and volume
Volume-the amount of space an object takes upVolume-the amount of space an object takes up
Meniscus-the curve at a liquid’s surfaceMeniscus-the curve at a liquid’s surface
Mass-the amount of matter in a given spaceMass-the amount of matter in a given space
Gravity-the force of attraction between objectsGravity-the force of attraction between objects
due to their massesdue to their masses
3. Vocabulary continuedVocabulary continued
Weight-the measure of the gravitational force on anWeight-the measure of the gravitational force on an
objectobject
Newton-SI unit of force (N)Newton-SI unit of force (N)
Physical Property-can be measured or observed withoutPhysical Property-can be measured or observed without
changing the identity of the materialchanging the identity of the material
Density-the amount of matter in a given volumeDensity-the amount of matter in a given volume
D=m/VD=m/V
Chemical Properties-describe a substance based on itsChemical Properties-describe a substance based on its
ability to change into a new substance with differentability to change into a new substance with different
propertiesproperties
4. More VocabularyMore Vocabulary
Physical Change- a physical change that effectsPhysical Change- a physical change that effects
one or more of the physical propertiesone or more of the physical properties
Chemical Change-occurs when one or moreChemical Change-occurs when one or more
substances are changed into entirely newsubstances are changed into entirely new
substancessubstances
5. Mass isMass is Weight isWeight is
A measure of the amount ofA measure of the amount of
matter in an objectmatter in an object
W measure of theW measure of the
gravitational for on angravitational for on an
objectobject
Always constant for anAlways constant for an
object no matter where it isobject no matter where it is
foundfound
Varied depending on whereVaried depending on where
the object is in relation tothe object is in relation to
Earth or another large bodyEarth or another large body
Measured with a balanceMeasured with a balance Measured with a springMeasured with a spring
scalescale
Expressed in kg, g ,mgExpressed in kg, g ,mg Expressed in Newtons (N)Expressed in Newtons (N)
7. Chemical PropertiesChemical Properties
FlammabilityFlammability
ReactivityReactivity
ElectrolysisElectrolysis
DissolvabilityDissolvability
Rate of CombustionRate of Combustion
Oxidative StatesOxidative States
ToxicityToxicity
ElectronegativityElectronegativity
8. Physical ChangesPhysical Changes
Changing the sizeChanging the size
Changing the shapeChanging the shape
Dissolving in waterDissolving in water
Freezing, MeltingFreezing, Melting
Not all physical changes can be undone, but theyNot all physical changes can be undone, but they
do not change the identity of the substancedo not change the identity of the substance
9. Chemical ChangesChemical Changes
ExamplesExamples
Soured milkSoured milk
RustRust
Two substances mixed to form new substanceTwo substances mixed to form new substance
Baking a cakeBaking a cake
You cannot undo a chemical change using physicalYou cannot undo a chemical change using physical
means.means.
10. Chemical ChangesChemical Changes
ExamplesExamples
Soured milkSoured milk
RustRust
Two substances mixed to form new substanceTwo substances mixed to form new substance
Baking a cakeBaking a cake
You cannot undo a chemical change using physicalYou cannot undo a chemical change using physical
means.means.