If you owe me any of the following, please turn it in: Student Packet, Lab Equip. Wkst, Flinn Contract If you owe me any of the following, please turn it in: Student Packet, Lab Equip. Wkst, Flinn Contract 2 nd - Red3 rd - White 4 th - Yellow5 th - Green 6 th - Blue7 th - Purple Grab a Branches of Chemistry Practice slip from the podium Grab a Branches of Chemistry Practice slip from the podium TREAT THIS AS AN OPEN NOTE QUIZ TREAT THIS AS AN OPEN NOTE QUIZ Use page 4 if needed Use page 4 if needed

Take out a clean sheet of notebook paper Topics in order: Topics in order: 1.Physical and Chemical properties 2.Physical and Chemical Changes 3.States of Matter HW- Finish Matter packet, if we don’t finish States of matter, watch video (QR code on board) HW- Finish Matter packet, if we don’t finish States of matter, watch video (QR code on board)

What is Mass? Mass- measure of the amount of matter What is Matter? Matter- anything that has mass and takes up space (volume) What is Volume? Volume- the amount of space an object takes up

What is an atom? Atom- smallest unit of an element that maintains the chemical identity of that element What is an element? Element- a pure substance that cannot be broken down into simpler, stable substances and is made of one type of atom What is a compound? Compound- a substance that can be broken down into simple stable substances Two or more atoms chemically bonded together

Extensive Property- depends on the amount of matter present Volume, mass, energy Intensive Property- does not depend on the amount of matter present Melting/boiling point, density, conductivity

Solid- definite volume and shape Solid- definite volume and shape Strong forces, vibrating particles Liquid- definite volume but indefinite shape Liquid- definite volume but indefinite shape Weaker forces, sliding particles

Gas- no definite volume or shape (compressible) Gas- no definite volume or shape (compressible) Very weak forces, flying particles Plasma- high temp. state where atoms lose electrons Plasma- high temp. state where atoms lose electrons Found in fluorescent bulbs

PP-characteristic that can be observed without changing the substance PP-characteristic that can be observed without changing the substance Melting point, boiling point, color, mass CP- relates to a substance’s ability to change into a new substance CP- relates to a substance’s ability to change into a new substance Burning, rusting, reacting

PC- a change in a substance that does not involve a change in the identity of the substance PC- a change in a substance that does not involve a change in the identity of the substance Cutting, boiling… CC- (reaction) one or more substances are converted into different substances. CC- (reaction) one or more substances are converted into different substances. Combustion, burning

Pure substances- fixed composition (elements or compounds) Pure substances- fixed composition (elements or compounds) Pure substances Pure substances Every sample has same properties and composition Mixtures- blend of two or more kinds of matter, each kind has own properties Mixtures- blend of two or more kinds of matter, each kind has own properties Mixtures Heterogeneous or homogeneous