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New Seating Chart Period 1

New Seating Chart Period 1. Front of Room. Baltazar. Nancy. Yailyn. Jamie. Marisol. Jimmy. Marcos. Jan. Onica. Vincent. Freddy. Johnathan. Romale. Tania. Reynel. Joshua. Marco. Isadora. Back of Room. New Seating Chart Period 3. Front of Room. Zachary. Eric. Andrea.

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New Seating Chart Period 1

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  1. New Seating Chart Period 1 Front of Room Baltazar Nancy Yailyn Jamie Marisol Jimmy Marcos Jan Onica Vincent Freddy Johnathan Romale Tania Reynel Joshua Marco Isadora Back of Room

  2. New Seating Chart Period 3 Front of Room Zachary Eric Andrea Anthony Diego Magdalena Santiago Adan Cristhian G. Christopher Giovanni Vanessa Megan Rosa Taviona Edwin Jasmine Angelo Francisco Marco Joshua Christian R. Monica Manuel Q. Ryan Isabel Wil Raul Katie Betsy Moises Manuel S. Back of Room

  3. New Seating Chart Period 6 Front of Room Wenndy Anayeli Yusuf Samuel Kelvin Rigoberto Tania Jaime Gabriela Maria Andy Carla Chloe Mayra Jacob Laura Gustavo Ivette Raul Mario Jhony David Marlen Crystal Sandra Madeline Jonathan Back of Room

  4. New Seating Chart Period 7 Front of Room Dantrell Keti Myles Joseph Sandy Arnold Christian Ricky Jovan Rosalie Lazaro Junior Gustavo Angelica Michael Jani Gabriel Tianna Martin Julio Jazmine Angel Q Jaime James Kendale Tania Jenny Angel J. Juan Celerina Yvette Luis Jocelyn Jennyshka Jennifer Back of Room

  5. New Seating Chart Period 9 Front of Room Joshua Jose G. Joanna Kenny Monica Diana Jose Agustin Viviana Miya Yasmin Christian Jose C. Matthew Leslie Lucas Maria Myeisha Leslie Brenda Toriana Ricardo Oscar Marcos Andrez Jennifer Renato Dario Deshaunna Ana Jimmy Zachary Evelyn Steven Elizabeth Back of Room

  6. Elements, Compounds and Mixtures Activity 10/15/09

  7. Matter The atoms and molecules that make up our surroundings. Chemistry is the study of matter We need to be able to describe what it’s made of, how it works and what it looks like!

  8. So, where are we? What we’ve learned… How to classify matter into states: solid, liquid, gases. (the big picture) Where we’re going… Taking a closer look – groups of atoms and molecules

  9. What we’re doing today As scientists, we make decisions based upon what we observe (colors, changes, textures, etc.) Today we’ll be using models to examine matter and how it interacts.

  10. Our models • Each group has a set of dishes filled with beads • Each bead represents one atom! • Each groups of beads represents a compound – or a set of atoms bound together. • In groups we are going to complete a few tasks to discover different ways matter can be sorted • Do not open the petri dishes!

  11. Part 1: Pure Substance vs. Mixture Pure substance:all particles of matter are identical Mixture: a physical blend of two or more pure substances in any proportion Your group task: take 4 minutes to sort your petri dishes into two groups: pure substances and mixtures. Write the symbols from the petri dishes onto your worksheet according to how you grouped them.

  12. ELEMENTS, COMPOUNDS, & MIXTURES ACTIVITY SORT DISHES INTO TWO GROUPS, MIXTURES AND NON-MIXTURES.

  13. Part 2: Elements vs. Compounds Pure substances can be classified into two sub-categories: Element: substances made from one type of atom Compound: substances made from one or more types of atoms, chemically bound together Your group task: take 4 minutes to list the pure substances you classified in Part 1, then categorize them into elements and compounds. Once you have sorted them, list the formulas from the petri dishes onto your worksheet in Part 2.

  14. ELEMENTS, COMPOUNDS, & MIXTURES ACTIVITY SORT PURE SUBSTANCE GROUP INTO TWO SUBGROUPS.

  15. Part 3: Elements, Compounds and Mixtures Group task: Based on the groups you just made, take 5 minutes to fill in the table in Part 3 on your worksheet with drawings of the samples and their formulas. For example, was classified as a compound, so I would draw it in a box in the compound row of the table and write it’s symbol

  16. ELEMENTS, COMPOUNDS, & MIXTURES ACTIVITY (Part 3)

  17. What have we learned? Reflection: Take a minute to think about something new that you’ve learned today. Share it with a partner! • Matter can be categorized as a mixture or a pure substance • Pure substances can be further categorized as elements or compounds But scientists don’t use pictures to describe matter – they use symbols!

  18. Part 4: Describing mixtures and pure substances using codes Look at the codes you wrote in part 1. Group task:Take 3 minutes to discuss and answer the following questions on your worksheet in part 4 • How are the mixture formulas different from pure substance (non-mixtures) codes? • How do the codes relate to the objects in the dishes?

  19. Part 5: Describing elements and compounds using codes Look at the codes you used to describe pure substances in Part 2 Group task: take 3 minutes to discuss and answer the following questions on your worksheet in Part 5 • How are the compound codes different from the element codes? • How do the codes relate to the objects in the dishes?

  20. Part 6: Rules for writing formulas and codes! • Look at the list of matter below, and the chemical formulas that chemists use to represent them • Group task: Take 5 minutes to write 4 rules for how chemical formulas are written. Think about • Why are some letters capitalized? • What do the small numbers represent and where are they located? • What is the difference between the mixture codes and the pure substance codes? • What information do formulas and codes tell us?

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