6th Grade Matter and Energy: Unit 1 Matter Lesson 2 – Properties of Matter Lesson 3 – Physical and Chemical Changes Lesson 4 – Pure Substances and Mixtures

Physical properties of matter Unit 1 Lesson 2 Properties of Matter Properties of matter “Things” (characteristics of a substance) we can observe and measure (from CCK) Physical properties of matter Characteristics of a substance that can be observed without changing the identity of the substance (what that substance IS) Copyright © Houghton Mifflin Harcourt Publishing Company

Mass & volume The state of matter i.e. solid, liquid, or gas Unit 1 Lesson 2 Properties of Matter Examples of Physical Properties Mass & volume The state of matter i.e. solid, liquid, or gas (or plasma). Copyright © Houghton Mifflin Harcourt Publishing Company

Other physical properties of matter Electrical conductivity: measure of how well electric currents move through a substance. Density: measure of the amount of matter in a given volume. Thermal conductivity: rate at which a substance transfers heat. Solubility: ability of a substance to dissolve in another substance. Malleability: ability of a substance to be rolled or pounded into various shapes. Crash Course kids – 15.1 - Properties - https://www.youtube.com/watch?v=YCQXDegwnoE Copyright © Houghton Mifflin Harcourt Publishing Company

Shine, or luster, of a metal or mineral Unit 1 Lesson 2 Properties of Matter MORE physical properties of matter Magnetic attraction Shine, or luster, of a metal or mineral Melting point: temperature at which it changes from a solid to a liquid. Boiling point: temperature at which the substance boils. Crash Course Kids 15.2 – The Science of Lunch – https://www.youtube.com/watch?v=dN2VDcmuTl4 Copyright © Houghton Mifflin Harcourt Publishing Company

Chemical properties of matter Describes the ability of a substance to change into a new substance with different properties Identified by the changes they produce. Photo credit – http://www.freefoto.com/images/904/09/904_09_1777---Rust-Texture_web.jpg Copyright © Houghton Mifflin Harcourt Publishing Company

EXAMPLES of chemical properties Unit 1 Lesson 2 Properties of Matter EXAMPLES of chemical properties Flammability: ability of a substance to burn. Reactivity: the ability of a substance to interact with another substance and form one or more new substances. - baking soda and vinegar - rusting / tarnishing (When a metal rusts or tarnishes, it changes to a different substance.) Photo credit - http://media.arkansasonline.com/img/photos/2013/04/04/campfire_t610.jpg?378eb6a690ec678d137cd2e2f7ac59efca4c941c Copyright © Houghton Mifflin Harcourt Publishing Company

Physical Properties Chemical properties Unit 1 Lesson 2 Properties of Matter Physical Properties Chemical properties Can be observed without Can be observed only changing what the substance by changing something into truly IS (it’s identity) something else, The PROPERTIES song - https://www.youtube.com/watch?v=uJOGy0dgmUU Copyright © Houghton Mifflin Harcourt Publishing Company

Zinc metal is a shiny solid that burns with a blue-green flame. Which property is physical and which is chemical? Physical – shiny solid Chemical – blue-green flame What's My Property: Crash Course Kids #35.2 - https://www.youtube.com/watch?v=nlSemv2fLN8 A bonus fun one - Material Magic - Making Diamonds: Crash Course Kids #40.2 - https://www.youtube.com/watch?v=MraHoI-Yik4