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Physical Science 12/4

Physical Science 12/4. Warm up: In the data set below, which number is outlier? 11.2, 12.3 , 13.2 , 4.5 , 15.1, 13.7. Today’s activities: Video clips: solutions Revisit p.228 vocabulary and p.234 #1-6 Data collection time Work on assignment packet.

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Physical Science 12/4

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  1. Physical Science 12/4 Warm up: In the data set below, which number is outlier? 11.2, 12.3 , 13.2 , 4.5 , 15.1, 13.7 Today’s activities: Video clips: solutions Revisit p.228 vocabulary and p.234 #1-6 Data collection time Work on assignment packet

  2. Physical Science 12/3 Warm up: Calculate the average of the following set of numbers: 12.5 , 12 , 13.6 , 14.7 , 11.5 Today’s activities: Make data tables and graphs for the data collected so far. Video clips: solutions Assignment work time : p.228 vocabulary and p.234 #1-6

  3. Physical Science 11/27 Warm up: Why is it important to repeat trials in experiments? Today’s activities: Groups collect data for their experiment.

  4. Physical Science 11/25 Warm up: Why is it important to document every action in the procedure for your experiment? Today’s activities: Groups collect data for their experiment.

  5. Physical Science 11/20 Warm up: Why is it important to change only one variable in a scientific experiment? Today’s activities: Group rough drafts : Framing the Investigation Designing the Investigation Thursday/Friday: Typed drafts of experimental design with step by step instructions printed for each team member. Monday: start experiment data collection

  6. Physical Science 11/19 Warm up: NO warm up Today’s activities: Read pages 212-219 -Define vocabulary (see page 212) -Define vocabulary (see page 216) -p.215 #1-8 -p.219 #1-6 Due Tuesday 11/19

  7. Physical Science 11/18 Warm up: NO warm up Today’s activities: Read pages 212-219 -Define vocabulary (see page 212) -Define vocabulary (see page 216) -p.215 #1-8 -p.219 #1-6 Due Tuesday 11/19

  8. Physical Science 11/15 Warm up: No warm up Today’s activities: Balancing equations test (online in computer lab)

  9. Physical Science 11/14 Warm up: Balance this chemical equation: ____ Ag2O ____ Ag + ____O2 Today’s activities: Group solve/share: balancing equations

  10. Physical Science 11/13 Warm up: Explain the steps involved in balancing chemical equations. Today’s activities: Revisit online test….go through problems on paper Balancing equations examples

  11. Physical Science 11/12 Warm up: 6 (NH4)3PO4 How many N atoms? _____ How many H atoms? _____ How many P atoms? _____ How many O atoms? _____ How many total atoms? _____ Today’s activities: Introduction to online testing environment. Students log onto online testing environment Students complete practice test. Students without a log in: p. 206 definitions, p.209 #1-7, p.211 paragraph

  12. Physical Science 11/6 Warm up: 6 (NH4)3PO4 How many N atoms? _____ How many H atoms? _____ How many P atoms? _____ How many O atoms? _____ How many total atoms? _____ Today’s activities: Balancing equations practice Due today: -Warm up -Notes -Counting atoms worksheet (from Tuesday) -Balancing equations problems (from today)

  13. Physical Science 11/5 Warm up: 2 C11H22O11 How many C atoms? _____ How many H atoms? _____ How many O atoms? _____ How many total atoms? _____ Today’s activities: Discussion of law of conservation of matter Counting atoms notes Counting atoms models Counting atoms assignment.

  14. Physical Science 11/4 Warm up: What does the law of conservation of matter say about chemical reactions? Today’s activities: Discussion of law of conservation of matter Counting atoms notes Counting atoms models Counting atoms assignment.

  15. Physical Science 10/31 Warm up: No warm up sheet needed this week Today’s activities: Revisit old test Video: Mythbusters “Fright Night” episode https://www.youtube.com/watch?v=9YwPngnOyUE

  16. Physical Science 10/25 Warm up: What does the law of conservation of mass state? (see page 193) Today’s activities: Video : Chemical reactions Work time on assignments

  17. Practice Problems : Balancing equations

  18. Physical Science 10/24 Warm up: List two elements that have similar chemical properties to Argon. Today’s activities: Standards Test. After the the test: Read pages 192-194 and write a 3 sentence summary about each subsection (4 subsections) due Friday Read pages 199-200 and write a 3 sentence summary about each subsection (4 subsections) due Friday

  19. Physical Science Assignments Due 10/15/13 • Warm up questions / Score sheet • Study Guide packet • Read pages 192-194 and write a 3-sentence summary about each subsection (4 subsections) • Read pages 199-200 and write a 3-sentence summary about each subsection (4 subsections)

  20. Physical Science 10/23 Warm up: List two elements that would form metallic bonds together. Today’s activities: Group review / Study guide packet

  21. Physical Science 10/22 Warm up: Which kinds of elements combine to form covalent bonds? Today’s activities: Group review / Study guide packet

  22. Practice Question #1 Nickel

  23. Practice #2 Zirconium

  24. Practice question #3 Copper

  25. Practice question #4 What is another name for columns in the periodic table? What is another name for rows in the periodic table?

  26. Practice question #5 • Which two subatomic particles are in the nucleus? • What are the charges of each particle? •  charge: à                                     charge:

  27. Practice question #6 • Which subatomic particle is found orbiting in a cloud outside the nucleus? • What is the charge of this particle? • charge:

  28. Practice question #7 • What does atomic mass tell you about the nucleus? • Why is atomic mass often written as a decimal?

  29. Practice question #8 • Elements in the same _______have the same number of valence electrons.

  30. Practice Question #9 • Elements found on the left side of the periodic table are • a. nonmetals • b. ionic • c. metals • d. crystals

  31. Practice Question #10 • Elements found on the right side of the periodic table are • a. nonmetals • b. ionic • c. metals • d. crystals

  32. Practice Question #11 • Describe ionic bonding. (what happens with the electrons?) • Include discussion of the kinds of elements that bond (metals, non-metals) to form the ionic bond. • Give an example of a ionic compound

  33. Practice Question #12 • Describe covalent bonding. (what happens with the electrons?) • Include discussion of the kinds of elements that bond (metals, non-metals) to form the covalent bond. Give an example of a covalent compound.

  34. Practice Question #13

  35. Practice Question #14

  36. Question #15

  37. Question #16

  38. Practice question #17

  39. Practice question #18

  40. Practice question #19 How many protons, neutrons and electrons in the following isotopes of Carbon? Carbon 12 Carbon 13 Carbon 14

  41. Practice question #20 • Be able to explain the following: • Answer: • Many isotopes are unstable and break apart. The extra neutrons fall away from the nucleus and release radioactive energy. • Question: Explain how isotopes are sometimes responsible for radioactivity.

  42. Physical Science 10/21 Warm up: Which kinds of elements combine to form ionic bonds? Today’s activities: Group review / Study guide packet

  43. Assignments Due 10/18/13 • Warm up sheet • Page 164 #1-8 • Notes • Define vocabulary words p.165 • Page 169 #1-8 • Page 181 #1-8

  44. Physical Science 10/18 Warm up: What is one fact that you discovered about the elements from your project? Today’s activities: Video clips (types of bonding) http://www.pbs.org/wgbh/nova/physics/hunting-elements.html

  45. Physical Science 10/14 Warm up: Draw a model of the electron orbitals for an atom of Silicon. Today’s activities: Mini-quiz :Review of last week’s topics Notes: bonding patterns for elements Mini-quiz: bonding patterns Read pages 158-164 p.164 #1-8 due Friday http://www.pbs.org/wgbh/nova/physics/hunting-elements.html

  46. Ionic vs Covalent Bonding Ionic: electron(s) leave one atom & gained by another atom to satisfy both atoms’ octets, this results in the formation of ions. The resulting opposite charges attract each other. Covalent: electrons are shared by two or more atoms to satisfy their octets.

  47. How can you tell if a bond is IONIC or COVALENT? • Easy way: metals + metals = metallic bond Nonmetals and Metals = ionic bond Nonmetals + nonmetals = covalent bond

  48. Properties of Covalent Compounds 1)  Covalent compounds generally have much lower melting and boiling points than ionic compounds.  2)  Covalent compounds are soft and squishy (compared to ionic compounds, anyway).

  49. Properties, Cont’d • 3)  Covalent compounds tend to be more flammable than ionic compounds. • There are exceptions to this rule! • 4)  Covalent compounds don't conduct electricity in water.

  50. Physical Science 10/10 Warm up: Draw the electron “orbits” for an atom of Chlorine. Today’s activities: Notes: electron energy levels/ valence electrons 3-D Atomic models / Electron energy levels Assignment: (due Thursday) Read pages 113-118 write six 3-sentence summaries (one about each subsection) http://www.pbs.org/wgbh/nova/physics/hunting-elements.html

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