Tuesday, January 22, 2013 Using the periodic table, begin working on rm 23



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  • Do Now
  • Tuesday, January 22, 2013
  • Using the periodic table, begin working on RM 23.
  • 8th Grade Science
  • Do Now
  • Periodic Table Labeling
  • Introduction to Project
  • Finish RM 23
  • How does the structure of matter affects its identity and properties?
  • How does the structure of an atom determine how elements are arranged in the Periodic Table?
  • Vocabulary
  • Grade-Level Homework
  • Due Friday!!!
  • Project Due February 15th
  • Due Friday!!!
  • Project Due February 15th
  • QUIZ ON Friday
  • QUIZ ON Friday
  • Tuesday, January 22, 2013
  • 8th Grade Science
  • Today we will…
  • 8.5(B) identify that protons determine an element's identity and valence electrons determine its chemical properties, including reactivity
  • Objective:
  • Students will review structures of atoms and valence electrons.
  • Tuesday, January 22, 2013

Above groups 1, 2, 13, 14, 15, 16, 17, 18, list the number of valence electrons in GREEN.

  • 8th Grade Science
  • Periodic Table
  • Tuesday, January 22, 2013
  • Above groups 1, 2, 13, 14, 15, 16, 17, 18, list the number of valence electrons in GREEN.
  • Next to periods 1-3 draw the number of ENERGY LEVELS.
  • Make a key at the bottom of your periodic table (teacher demonstrate)

ALKALI METALS- Orange

ALKALINE EARTH METALS- Green

TRANSITION METALS- Blue

BORON FAMILY- Red

CARBON FAMILY- Yellow

NITROGEN FAMILY

  • Group 5
  • 5 electrons in the outer shell
  • Can share electrons to form compounds
  • Contains metals, metalloids, and non-metals

OXYGEN FAMILY

  • Group 6
  • 6 electrons in the outer shell
  • Contains metals, metalloids, and non-metals
  • Reactive

Halogens- Purple

Noble Gases- Pink

Rare Earth Metals- Light Blue

Fold your periodic table so group 1 lines up with group 17.

  • 8th Grade Science
  • Reactivity
  • Tuesday, January 22, 2013
  • Fold your periodic table so group 1 lines up with group 17.
  • How many valence electrons are in group 1? How many are in group 17?
  • Add those together. Do they have a full shell when they combine?
  • Compare group 2 with group 16, do you get the same results?

Important Dates:

  • 8th Grade Science
  • Project Introduction
  • Tuesday, January 22, 2013
  • Important Dates:
    • January 25, materials list due
    • February 1, poster OR model due
    • February 4, Rough draft of essay (Pre-AP)
    • February 15, PROJECT DUE
  • Read over directions and rubrics
  • Finish RM 23
  • 8th Grade Science
  • Do Now
  • Tape half-sheet “Anticipation Guide” to page of INB.
  • Circle “A” if you agree with the statement. Circle “D” if you disagree.
  • Using a clicker, enter your answers.
  • Record score in capacity matrix.
  • Wed./Thurs, January 23 &25, 2013
  • 8th Grade Science
  • Today’s Schedule
  • Do Now
  • Physical Property Stations
  • Density Lab
  • Conclusion Questions
  • Reading: Physical Properties
  • After learning Anticipation Guide
  • Essential Question
  • How does the structure of matter affects its identity and properties?
  • How does the structure of an atom determine how elements are arranged in the Periodic Table?
  • Vocabulary
  • Pre-AP
  • Homework
  • Grade-Level Homework
  • Due Friday!!!
  • Materials list for Project Due Friday!!!
  • Due Friday!!!
  • Materials list for Project Due Friday!!!
  • QUIZ ON FRIDAY
  • QUIZ ON FRIDAY
  • Wed./Thurs, January 23 &25, 2013
  • 8th Grade Science
  • Today we will…
  • 8.5 (C)  interpret the arrangement of the Periodic Table, including groups and periods, to explain how properties are used to classify elements;
  • Objectives:
  • Students will identify and describe the physical properties: luster, malleability, magnetic, conductivity, and density.
  • They will be able to identify the different families on the periodic table and that the elements in the family share physical properties.
  • Wed./Thurs, January 23 &25, 2013
  • 8th Grade Science
  • Physical Properties Lab
  • Go to 4 stations and observe the physical properties: luster, malleability, magnetic, and conductivity of 5 different elements.
  • Record observations in data table.
  • Answer questions at each station.
  • Wed./Thurs, January 23 &25, 2013
  • 8th Grade Science
  • Definitions
  • Luster – the way an object or substance reflects light. Ex: glitters, sparkles, glossy, glassy, waxy, dull, metallic.
  • Conductivity – The ability to transfer heat or electricity through direct contact.
  • Malleability – The ability to be hammered into a thin sheet. Ex: silver is very malleable which makes it a good material for jewelry making
  • Wed./Thurs, January 23 &25, 2013
  • 8th Grade Science
  • With your table, calculate the density of each element.
  • Remember: Density=
  • Wed./Thurs, January 23 &25, 2013
  • Mass
  • Volume
  • 8th Grade Science
  • Calculating the density
  • Using the triple-beam balance, measure the mass of each sample.
  • Record the mass.
  • To measure the volume, fill up the graduated cylinder with 20 mL of water.
  • CAREFULLY, drop the element in the water.
  • Subtract 20 mL from the new number on the graduated cylinder.
  • Record this number as the volume.
  • Wed./Thurs, January 23 &25, 2013
  • 8th Grade Science
  • Calculating the density
  • Using your calculator, calculate the density of the element.
  • Record the density.
  • Wed./Thurs, January 23 &25, 2013
  • 8th Grade Science
  • Using the triple-beam balance, measure the mass of each sample.
  • Record the mass.
  • To measure the volume, fill up the graduated cylinder with 20 mL of water.
  • CAREFULLY, drop the element in the water.
  • Subtract 20 mL from the new number on the graduated cylinder.
  • Record this number as the volume.
  • Wed./Thurs, January 23 &25, 2013
  • 8th Grade Science
  • Density of an Element
  • Using your calculator, calculate the density of the element.
  • Record the density.
  • Read “Physical Properties” by yourself or with a partner.
  • Wed./Thurs, January 23 &25, 2013
  • 8th Grade Science
  • Conclusion Questions
  • COPY and ANSWER the following questions about density on page of your INB.
  • What is the formula for calculating density?
  • Did the samples of different elements have the same density? Why or why not?
  • Did the samples of the same element have the same mass?
  • Did the samples of the same element have the same mass?
  • Did the samples of the same element have the same density?
  • Why is density considered a physical property?
  • Wed./Thurs, January 23 &25, 2013
  • 8th Grade Science
  • Wed./Thurs, January 23 &25, 2013
  • Tape half-sheet “Anticipation Guide” to page of INB.
  • Circle “A” if you agree with the statement. Circle “D” if you disagree.
  • Using a clicker, enter your answers.
  • Record score in capacity matrix.
  • 8th Grade Science
  • Do Now
  • Friday, January 25, 2013
  • ***Will add questions based on their anticipation guide data***
  • 8th Grade Science
  • Today’s Schedule
  • Do Now
  • Quiz
  • Project Check
  • Essential Question
  • How does the structure of matter affects its identity and properties?
  • How does the structure of an atom determine how elements are arranged in the Periodic Table?
  • Vocabulary
  • Pre-AP
  • Homework
  • Grade-Level Homework
  • Homework Due today!!!
  • Project material list due today!!!
  • Homework Due today!!!
  • Project material list due today!!!
  • Friday, January 25, 2013
  • 8th Grade Science
  • Today we will…
  • 8.5(B) identify that protons determine an element's identity and valence electrons determine its chemical properties, including reactivity
  • 8.5 (C)  interpret the arrangement of the Periodic Table, including groups and periods, to explain how properties are used to classify elements;
  • Friday, January 25, 2013
  • 8th Grade Science
  • Quiz 8.5(A)
  • Friday, January 25, 2013

Have your materials list out and ready to be checked.

  • 8th Grade Science
  • Project Check
  • Friday, January 25, 2013
  • Have your materials list out and ready to be checked.
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  • atom nucleus valence electron Law of Conservation of Mass proton
  • physical vs chemical change physical vs chemical property coefficient neutron
  • atomic number reactant subscript electron product reactivity
  • electron cloud: shell, orbital, energy level
  • and illustrated by
  • by recognizing
  • through investigations
  • IMPORTANT TERMS:
  • which are described by
  • Demonstrating
  • Investigating
  • Describing
  • Interpreting
  • Recognizing
  • Force & Motion
  • made
  • up of
  • which combine chemically
  • Recognizing patterns help predict what will happen next and what can change overtime.
  • Energy can change forms and transfer from one object to another
  • What isn’t chemistry?
  • Why should I care about physical and chemical changes in my everyday life?
  • Where does matter come from and where does it go to if it can’t be created or destroyed?
  • How would scientists predict the properties of a new element & where would it fit on the Periodic Table?
  • What do I have in common with pencil graphite and diamonds?
  • What would the biosphere be like without the 8 common elements in contains?
  • understanding that all matter in the universe is made up of elements


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