+ Properties of matter. + Catalyst Be silent when the bell rings Draw a graph of velocity, with respect to time. When velocity is less than zero, which.

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Presentation transcript:

+ Properties of matter

+ Catalyst Be silent when the bell rings Draw a graph of velocity, with respect to time. When velocity is less than zero, which direction is the object moving? Write down equation for momentum If I increase mass what happens to momentum? How else can I increase momentum? Write down any sentence that helps you make sense of relative velocity

+ Plan for today We take this test Y’all demonstrate your proficiency and attentiveness Phone bank We classify everything in the world around us (starting with measurements) Look closely at significant figures

+ What is a classification? A way to distinguish things by shared properties Make a classification scheme for the things in the classroom

+ Elements, Compounds, and Mixtures

+ Unit Conversion Let’s go through a few examples together. 1 hour = 60 minutes 1 minute = 60 seconds 1 kg = 1000 grams 1 kg = ~2.2 lbs. 1 mile = 5280 feet 1 foot = 12 inches

+ Catalyst 9/16 Students should be seated silently when the bell rings Students should turn homework into the bin at the front Answer the following on your note sheet: How can you distinguish an element from a compound? How can you distinguish a compound from a mixture? What is the difference between something heterogeneous and something homogeneous? Use context clues if that is a new word for you.

+ Objectives for the day Unit Classify matter as homogeneous or heterogeneous; pure substance or mixture; element or compound; metals, nonmetals, or metalloids; solution, colloid, or suspension

+ To accomplish these we will: Review tests and grades Group up and create Present and participate Take some notes Significant Figure practice

+ Catalyst Review Draw a graph for each of the following with a constant acceleration Position on the y axis Velocity on the y axis Acceleration on the y axis What should always be on the x axis?

+ Today we will Review algebra and graphing Review worksheets handed in so far Review the posters from yesterday Go over significant figures – finish the worksheet Discuss plan for next week

+ In groups of five Create a presentable graphic that explains the main points of your section Group 1: Elements versus Compounds versus Mixtures Group 2: Heterogeneous versus Homogeneous Group 3: Solutions, Suspensions and Colloids Group 4: Viscosity, Conductivity, malleability, and hardness Group 5: Melting/Boiling Points and Density

+ How to use physical properties To separate mixtures: Filtration Distillation

+ Significant Figures