TOPIC: Atoms, Elements, and Compounds
GRADE and COURSE: Science 9
CONCEPTS: Atomic structure, periodic table, chemical formulae, changes in properties of matter
GOALS: Students will develop an understanding of atomic structure and how it can be used to explain chemical reactions and electricity.
| Lesson | Topics | PLOs & SWBATS | Student Activities | Materials | Assessment |
| 1
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Development of the atomic theory | C1 use modern atomic theory to describe the structure and components of atoms and molecules.– describe development of atomic theory | Students put beads inside a ball of play dough and another student guess how many beads there are by poking the play dough with a tooth pick. Complete accompanying worksheet. | Play dough, beads, and tooth picks. | Monitoring during activity and marking worksheets. |
| 2
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Bohr’s theory of the atom | C1 use modern atomic theory to describe the structure and components of atoms and molecules.C3 write and interpret chemical symbols of elements and formulae of ionic compounds
– describe the atomic theory – write the symbols for atoms in standard notation
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Create a timeline of the development of the atomic theory.Text book questions on p. 212. | Blank paper and colouring supplies | Monitoring during work time and marking timelines. |
| Lesson | Topics | PLOs & SWBATS | Student Activities | Materials | Assessment |
| 3
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The modern periodic table | C2 use the periodic table to compare the characteristics and atomic structure of elements- explain how elements are classified on the periodic table
– find information about elements from the periodic table
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Cards with name and information about each of first 20 elements placed around the room. Students given cards with clues and match them with proper element name cards.Text book questions on p. 217. | Element name cards and clue cards. | Monitor during the activity.After activity, pick a few elements and discuss the clues students placed there. |
| 4
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Using the Bohr Theory | C1 use modern atomic theory to describe the structure and components of atoms and molecules.C2 use the periodic table to compare the characteristics and atomic structure of elements
– draw Bohr diagrams – explain composition of compounds with the Bohr Theory |
Bohr diagram drawing work sheet.Text book questions on page 223. | Worksheet. | Monitoring during work time and marking worksheet. |
| 5
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Properties of ions and atoms lab | C2 use the periodic table to compare the characteristics and atomic structure of elementsC3 write and interpret chemical symbols of elements and formulae of ionic compounds
C4 describe changes in the properties of matter – describe characteristics of metals – describe how ions differ from atoms |
In groups of 3-4, students will conduct Investigation 7B on pp.226-227 of text book. Students compare properties of a metal with an ionic compound by mixing aluminum foil with a copper (II) chloride solution and filtering. | Safety goggles, copper (II) chloride (CuCl2), 3 250-mL beakers, aluminum foil, stirring rod, ring stand, ring clamp, funnel, filter paper | Monitoring during experiment.Mark lab reports. |
| Lesson | Topics | PLOs & SWBATS | Student Activities | Materials | Assessment |
| 6
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Chapter 7 review | Review trivia game. Students put into teams of 4. Each student joins 3 members of other groups and take turns answering from a set of questions for points. Team with the most points wins. | Review question sheet | Monitoring to see what students do/do not know | |
| 7
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Chapter 7 test | ||||
| 8
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Writing chemical formulas | C3 write and interpret chemical symbols of elements and formulae of ionic compounds- write chemical formulas of simple compounds | Card game building chemical formulas. Each card has an ion. Students build compounds with the cards in their hand for points.Text book questions on p. 237. | Decks of ion cards. | Monitoring during game. |
| Lesson | Topics | PLOs & SWBATS | Student Activities | Materials | Assessment |
| 9
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Ion charge and the formulas of ionic compounds | C3 write and interpret chemical symbols of elements and formulae of ionic compounds- write chemical formulas of ionic compounds with polyatomic and multivalent ions | Ionic compound role play. Students get name tag with ion name and charge. Students with metal ions have tokens equal to their charge which they give to a non-metal student to form a compound.Text book questions on p. 244. | Ionic name tags, tokens | Monitoring during activity. |
| 10
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Naming ionic compounds | C3 write and interpret chemical symbols of elements and formulae of ionic compounds– name ionic compounds | Each student given an ionic compound and they write the name of it on the board. Review each one as a class and repeat. Whoever gets the most right will win.Text book questions on p. 247. | Slips of paper with ionic compounds. | Monitoring while students come up with answers. Assessing what students are struggling with. |
| 11
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Chemical families | C2 use the periodic table to compare the characteristics and atomic structure of elementsC4 describe changes in the properties of matter
– describe properties of chemical families |
Research in the computer lab. Students select a chemical family and create a poster about its properties and applications. | Computer lab | Monitoring research progress. |
| Lesson | Topics | PLOs & SWBATS | Student Activities | Materials | Assessment |
| 12
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Chemical families | C2 use the periodic table to compare the characteristics and atomic structure of elementsC4 describe changes in the properties of matter
– describe properties of chemical families |
Working on posters. | Poster paper, colouring supplies, and library books for students needing to do more research. | Monitoring poster progress and marking posters. |
| 13
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Chapter 8 review | Gallery walk and peer assessment of posters.Review work sheet. | Worksheet. | Monitoring during gallery walk and work time. | |
| 14
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Chapter 8 test | ||||
| Lesson | Topics | PLOs & SWBATS | Student Activities | Materials | Assessment |
| 15
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Types of electric charge | C5 explain the production, transfer, and interaction of static electrical charges in various materials- describe types of electric charges and how they relate to atomic structure
– describe how objects become electrically charged |
Static electricity experiment and accompanying worksheet. Students make a piece of a plastic bag float over a balloon by rubbing the balloon then the plastic with a towel. | Balloons, towels, plastic produce bags, scissors.- | Monitoring during experiment and marking worksheet. |
| 16
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Insulators, conductors, and electric force | C5 explain the production, transfer, and interaction of static electrical charges in various materials | Video showing Faraday’s cage and Van de Graaff generator with accompanying worksheet.In groups of 2-3, students write a song, rap, poem, or story about static electricity concepts. | Video | Marking worksheet.Monitoring group work. |
| 17 | Insulators, conductors, and electric force | C5 explain the production, transfer, and interaction of static electrical charges in various materials | Students present song, rap, poem, or story made in previous class. | Assess content knowledge in song, rap, poem, or story. | |
| 18
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Applications of static electricity | C5 explain the production, transfer, and interaction of static electrical charges in various materials | Jigsaw activity. In groups of 4, students pick one of the applications of static electricity and plan to explain it to their group with diagrams. | Monitoring during work time. | |
| 19 | Chapter 9 review and jigsaw presentations | Present jigsaw presentation to groups and peer assess.Taboo game to review vocabulary terms.
Review worksheet. |
Vocabulary lists for taboo and review worksheet. | Monitoring during jigsaw and taboo. Using peer assessments and diagrams to evaluate jigsaw performance. | |
| 20 | Chapter 9 test | ||||
| Lesson | Topics | PLOs & SWBATS | Student Activities | Materials | Assessment |
| 21
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Electricity and electric circuits | C6 explain how electric current results from separation of charge and the movement of electronsC7 compare series and parallel circuits involving varying resistances, voltages, and currents
– describe the parts of an electric circuit – draw circuit diagram symbols |
KWL about electricity.Text book questions on p. 305. | ||
| 22
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Electric current | C6 explain how electric current results from separation of charge and the movement of electronsC7 compare series and parallel circuits involving varying resistances, voltages, and currents
– define current and how it is measured – describe how electric current travels in a circuit – draw a circuit diagram |
Experiment making a simple circuit and measuring current on p.308 of text book. Students create circuit with a light bulb and measure current going into and out of the light bulb. | Ammeter, switch, connecting wires, electric cells in holders, light bulb in holder. | Monitoring during experiment and marking write up. |
| 23
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Voltage | C6 explain how electric current results from separation of charge and the movement of electronsC7 compare series and parallel circuits involving varying resistances, voltages, and currents
– define voltage and how it is measured – describe and draw series and parallel circuits |
Demonstration of cells in series and parallel by making circuits out of students.Text book questions on p. 314. | Asking students questions during demonstration. | |
| 24 | Resistors and Ohm’s Law | C7 compare series and parallel circuits involving varying resistances, voltages, and currents– define resistance
– use Ohm’s law to calculate resistance, voltage, and current |
Watching a circuit simulator that demonstrates Ohm’s Law and contributing to discussion.Text book questions on p. 319. | Circuit simulator. | Assessing students’ responses for understanding during discussion. |
| 25 | Resistors in series and parallel circuits | C7 compare series and parallel circuits involving varying resistances, voltages, and currents– distinguish between series and parallel circuits | In groups of 4, students are given several circuit diagrams. Students discuss which ones do/do not work and the reasons. Class discussion about the circuits.Text book questions on p. 325. | Circuit diagrams | Monitoring group discussions. Discuss the circuits as a class. |
| 26 | Chapter 10 review | Review worksheet. | Worksheet | Monitoring during work time. | |
| 27 | Chapter 10 test |