Chemistry Unit 0: Intro to Chemistry
Daily Plans are Linked Here

Unit Driving Questions

  1. Aren't all chemicals dangerous? How can we work safely with chemicals?
  2. How are the basic concepts, skills, and understandings in chemistry related to one another? interrelated?
  3. How are the properties of compounds, elements, solutions, mixtures important to our work with these substances?
  4. How can properties of matter be measured and described?
  5. In what ways can data be used to visualize, display, and share new information?

Understandings

  1. Practicing lab safety is foundational to all lab work.
  2. The SI measurement system is used by scientists worldwide.
  3. Chemical and physical properties are described using recorded observations and measurements that are both precise and accurate.
  4. Measurements and observations are analyzed using mathematical processes to discover connections and trends.
  5. Calculations and analysis are the justification for your results.

Ohio Standards**

Science Inquiry and Application

  • Identify questions and concepts that guide scientific investigations
  • Design and conduct scientific investigations
  • Use technology and mathematics to improve investigations and communication
  • Formulate and revise explanations and models using logic and evidence (critical thinking)
  • Recognize and analyze explanations and models,
  • Communicate and support a scientific argument
Academic Vocabulary: Bricks Academic Vocabulary: Mortar
  • unit
  • SI system
  • fundamental unit
  • meter
  • derived unit
  • ratio
  • mass
  • volume
  • Scientific notation
  • Conversion factor
  • significant figures
  • accuracy
  • precision
  • dimensional analysis
  • density
  • polymer
  • chemical bond
  • describe
  • calculate
  • analyze
  • classify
  • interconversion
  • interpret
  • list; state
  • explain
  • define
  • law (in science)

Learning Targets - Observation, Description, and Analysis of Matter:
Students will be able to...

  1. Describe the structure of a polymer, using sodium alginate "gummy worms" as an example.
  2. Describe the bonding in a polymer.
Lab Safety and Technique: Students will be able to......
  1. Help one another practice safety, including use of goggles and aprons.
  2. Use Safety Data Sheets to understand the propertues of substances used in lab and prepare to use those substances safely.
  3. Work safely in lab, making good decisions.
  4. Describe the use of each piece of glassware and equipment before using it.
  5. Ask for a consultation if unsure of a procedure or piece of equipment.
  6. Demonstrate procedures for weighing, measuring volume, removing a chemical from a stock bottle, pouring solutions, measuring pH with paper and a meter, lighting a Bunsen burner and using it to heat various substances in different vessels, using a hot plate, and appropriate use and care of all lab equipment.
  7. Keep the work area neat, clean, and safe.
Measurement and Analysis Skils: Students will be able to....
  1. State the prefixes, values, and relative sizes for milli- , centi- , and kilo- to use with the SI units grams, liters, meters as equalities.
  2. State 5 base (fundamental) SI units used in chemistry and how to use them both in lab and in calculations.
  3. Measure mass, length, and volume in SI units, with appropriate precision, and record the measurement with the correct significant digits.
  4. Describe measurements as accurate and/or precise, and explain your reasoning.
  5. Write a ratio from an equality, express the ratio as a fraction, and use the fraction as a conversion factor.
  6. Use dimensional analysis to convert between units in problem-solving.
  7. Use multiple conversion factors in dimensional analysis.
  8. Use scientific notation (standard form) in calculations for numbers less than as well as greater than 1.
  9. Use the correct number of siginficant figures in the result of a calculation.
  10. Use scientific notation to express significant figures in numbers with leading or trailing zeros
  11. Explain the difference between derived units and fundamental units.
  12. Describe some derived units used in chemistry (ex. volume, density) and how to use them.
  13. Define density as a relationshp between the mass and volume of an object or substance.
  14. Write density as a ratio of mass per unit volume; as a conversion factor
  15. Use the density formula to find mass or volume of a known or unknown substance.
  16. Use the units for density as a conversion factor. Use algebra to rearrange the density equation to solve for any of the 3 variables.
  17. Use dimensional analysis together with mathematical equations to correctly express the solution to a calculation.
Activities Differentiation Assessment
  • Students rotate roles; Reader assigned initially based on AIR scores and teacher knowledge of students
    • Role rotation gives each student the opportunity to hear, read, speak, and write academic language
  • Grapic organizer template (accomodation)
  • Students revise after initial feedback on drafts
  • Graphs are made on desmos.com or on paper, student choice
  • Teacher observation and conversation (FA)
  • Exit passes (FA)
  • C-E-R conclusion - polymer lab (SA)
  • Lab Safety web page and documents
  • Lab Safety quiz (SA)
  • Element quiz

Resources

Daily Learning Activities

Day 1
Thursday
August 16

  • Learning Target/Question
    • Use claim, evidence, reason format to explain findings. Demonstrate use of and organizational skils for class materials, in a notebook and digitally.
  • Activities/Strategies
    • ENTRY TICKET: Read Creation, Maintenence, and Evaluation of your Science Notebook. Place today's handouts in their sections as labeled.
    • Get Chromebooks. Notes set-up, with date, topic, learning target. Sodium alginate polymers.
  • Differentiation
    • Options in notbook organization
  • Assessments
    • Write Claim, Evidence, Reason Conclusion
  • Assignment

    • Claim, Evidence, Reason Conclusion
Day 2
Friday
August 17
  • Learning Target/Question
    • Pretest.....
  • Activities/Strategies
    • Place your binder, open, and your signature form on the back table. Get out a pencil and calculator.
    • Pretest. When finished, scan Course Info; Draw * by these topics: Attendance, Academic Integrity, Electronics. Read these topics now. Set up Google drive folder named Chem-Lastname and share it with me now.
  • Differentiation
  • Assessments
  • Assignment

Day 3
Monday
August 20
  • Learning Target/Question
    • Describe the bonding in a polymer.
    • Use claim, evidence, reason format to explain findings and reflect on the process.
  • Activities/Strategies
    • ENTRY TICKET: Discuss your lab observations from Thursday with a partner.
    • IN CLASS: Notes set-up, with date, topic, learning target.Discussion - sodium alginate polymers and scientific communication. 
  • Differentiation
    • Students read, write, hear and speak the academic language used in science communication. These students are learning to support one another in conversation.  Options in notebook organization.
  • Assessments
    • Conclusion and self-assessment of conclusion to polymer lab.
  • Assignment
    • Conclusion: Sodium Alginate Polymer Lab
Day 4
Wednesday
August 22
  • Learning Target/Question
    • Know names, symbols, and location on the periodic table for 50 common elements. Learn collaboratively in a group. Work safely in lab
  • Activities/Strategies
    • ENTRY TICKET: Look over Elements to Know list.  Which do you already know? Questions?
    • Group roles activity. Website setup; begin Lab Safety Webquest if time.
  • Differentiation
    •  Students begin with a role in which I know they are strong so the role is modeled well for others. They will gradually ransition into doing each role well.
  • Assessments
    • Observations, modeling, and feedback on roles.
    • Elements quiz on Friday.
  • Assignment
    • Element cards
Day 5
Thursday
August 23
  • Learning Target/Question
    • Demonstrate the use of PPE and application of lab safety protocols.
  • Activities/Strategies
    • ENTRY TICKET: Lab safety web page setup
    • IN CLASS: Lab Safety Webquest. - summarize lab safety roles on your website.
  • Differentiation
    •  Student choice in format for web page
  • Assessments
    • Lab Safety Quiz on Wednesday.
  • Assignment

    • Complete Lab Safety Rules and be ready for discussion
Day 6
Friday
August 24
  • Learning Target/Question
    • Use Safety Data Sheets to understand the propertues of substances used in lab and prepare to use those substances safely.
  • Activities/Strategies
    • ENTRY TICKET: Element Quiz
    • IN CLASS: Lab Safety Webquest; how to use SDS and what information you need to work safely in lab.
  • Differentiation
    •  Skim SDS for HCl for terms - say them together. Mark-up of hard copy SDS
  • Assessments
    • Lab Safety Quiz on Wednesday
    • Lab Safety web page review
  • Assignment

    • Keep working on SDS chart
Day 7
Monday
August 27
  • Learning Target/Question
    • Identify questions and concepts that guide scientific investigations. Design and conduct scientific investigations. Formulate and revise explanations and models using logic and evidence (critical thinking). Communicate and support a scientific argument
  • Activities/Strategies
    • ENTRY TICKET:Set up notes with date and title. Review the Sodium alginate polymers.   Highlight the sections that will appear in other lab reports. Discuss the types onf information in each with a partner.
    • IN CLASS: Interactive discussion: How do I clearly communicate my lab findings to others? Web page setup to explain (or Google doc). Discuss whast is and isn't in the report. Focus on formatting academic language, parsimony, sections, calculations.
  • Differentiation
    •  Students are at very different levels in academic language. A few write at with a high level of skill, a few still do not write in complete sentences. Most are somewhere in between. The use of a modeled report (the sodium alginate lab) helps students to compare
  • Assessments
    • Web page on writing in the laboratory
  • Assignment

    • Complete web page on writing in the laboratory and lab report template on a Google doc, linked to web page.
Day 8
Wednesday
August 29
  • Learning Target/Question
    • Describe the use of each piece of glassware and equipment before using it.
    • Measure mass, length, and volume in SI units, with appropriate precision, and record the measurement with the correct significant digits.
    • Describe measurements as accurate and/or precise, and explain your reasoning.
  • Activities/Strategies
    • ENTRY TICKET: Lab Safety Quiz. Review the equipment handout. Add today's date. Compare your ideas on equipment names with a neighbor. Set up notes with date and title. Skim Measurement in Science for any unfamiiar terms, or terms you don't remember. Underline, discuss with partner, and ask.
    • Describe the use of each piece of glassware and equipment before using it. Measure mass, length, and volume in SI units, with appropriate precision, and record the measurement with the correct significant digits.
    • IN CLASS: Equipment Review - discussion. Demonstration and modeling of using balance, grad cylinder, ruler for precision. Begin Measurement in Science - Skills process skills lab. Part 1 and 2.
  • Differentiation
    •  Students will read directions for measuring, hear discussion, and observe techniques for measuring and do the skills themselves, constructing their own understanding of precision and accuracy in measurement.
  • Assessments
    • Equipment quiz Thursday.
  • Assignment

    • Write summary in your notes on measurement: how did you improve your measurement skills?
Day 9
Thursday
August 30
  • Learning Target/Question
    • Measure mass, length, and volume in SI units, with appropriate precision, and record the measurement with the correct significant digits. Describe measurements as accurate and/or precise, and explain your reasoning.
  • Activities/Strategies
    • ENTRY TICKET: Equipment Quiz. Review your measurememt work so far. Questions?
    • Continue with Measurement in Science skills process skills lab. Part 3.
  • Differentiation
    • Students will read directions for measuring, hear discussion, and observe techniques for measuring and do the skills themselves, constructing their own understanding of precision and accuracy in measurement.
  • Assessments
    • Measurement Quiz next week?
  • Assignment

    • Write summary in your notes explaining accuracy and precision and why each is important. How have your measurement skills improved?
Day 10
Friday
August 31
  • Learning Target/Question
    • LEARNING TARGET: Measure mass, length, and volume in SI units, with appropriate precision, and record the measurement with the correct significant digits Describe measurements as accurate and/or precise, and explain your reasoning.
  • Activities/Strategies
    • ENTRY TICKET: Review your measurement work. Any questions before we take a quiz?
    • IN CLASS: Measurement Quiz. Link the Google doc you made on measurement to your website. On the website, write a reflection on measurement. How has your understanding of measurement changed? Use your Measurement handout and the summaries you wroe in your notes.
  • Differentiation
    •  Students will read directions for measuring, hear discussion, and observe techniques for measuring and do the skills themselves, constructing their own understanding of measurements, calculations, and the importance of precision. Reflections and summaries allow for metacognition.
  • Assessments
    • Measurement quiz, Google doc and website
  • Assignment

Day 11
Tuesday
September 4
  • Learning Target/Question
    • Measure mass, length, and volume in SI units, with appropriate precision, and record the measurement with the correct significant digits Describe measurements as accurate and/or precise, and explain your reasoning.
  • Activities/Strategies
    • ENTRY TICKET: Equipment Quiz.
    • IN CLASS: Part 2&3 Measurement - Direct Measurement of Volume and Volume by Displacement
  • Differentiation
    •  Students will read directions for measuring, hear discussion, and observe techniques for measuring and do the skills themselves, constructing their own understanding of measurements, calculations, and the importance of precision. Reflections and summaries allow for metacognition
  • Assessments
    • FA and conversations, measurement assessment on Monday
  • Assignment

    • Look up TLV and on your lab safety page write 2 examples of LETHAL and 2 examples of NONLETHAL values. Explain. Complete Measuring Volume Summary on handout
Day 13
Thursday
September 6
  • Learning Target/Question
    • Measure mass, length, and volume in SI units, with appropriate precision, and record the measurement with the correct significant digits Describe measurements as accurate and/or precise, and explain your reasoning.
  • Activities/Strategies
    • ENTRY TICKET: Look up chronic and acute toxicity. On your lab safety page, write 2 examples of each. Explain.
    • IN CLASS: Measuring Mass - complete all parts.
  • Differentiation
    • Students will read directions for measuring, hear discussion, and observe techniques for measuring and do the skills themselves, constructing their own understanding of measurements, calculations, and the importance of precision. Reflections and summaries allow for metacognition 
  • Assessments
    • FA and conversations, measurement assessment on Monday
  • Assignment

Day 14
Friday
September 7
  • Learning Target/Question
    • Use the correct number of siginficant figures in the result of a calculation.
  • Activities/Strategies
    • ENTRY TICKET: Look up local and systemic toxicity. On your lab safety page, write 2 examples of each. Explain.
      LEARNING TARGET:
      Use the correct number of siginficant figures in the result of a calculation.
      IN CLASS: Complete measurement investigation, using sigfigs correctly.. Class discussion.
  • Differentiation
    • Devise a method to remember how to use sig figs in a calculation.  
  • Assessments
    • Quiz; Using sig figs correctly in every calculation all year.
  • Assignment

    • Check all calculations on this activity got correct sig figs.
Day 15
Monday
September 10
  • Learning Target/Question
    • State the prefixes, values, and relative sizes for milli- , centi- , and kilo- to use with the SI units grams, liters, meters as equalities.
    • Write a ratio from an equality, express the ratio as a fraction, and use the fraction as a conversion factor. 
    • State 5 base (fundamental) SI units used in chemistry and how to use them both in lab and in calculations.
  • Activities/Strategies
    • ENTRY TICKET: Measurement quiz (lab stations)
    • IN CLASS: Learn the 7 fundamental units of measure and the 5 units used in chemistry. Learn how to write each with prefixes as a ratio, and practice.
  • Differentiation
    •  Students will devise individual strategies to remember metric equalities. 
  • Assessments
    • Quiz
  • Assignment

    • Know metric equalities and write conversion factors for quiz
Day 16
Wednesday
September 12
  • Learning Target/Question
    • Use metric equalities as ratios in dimensional analysis to convert between units in problem-solving.
  • Activities/Strategies
    • ENTRY TICKET: metric equivalent quiz
    • IN CLASS: Common metric equalities; base and fundamental units. Writing conversion factors from equalities, and using them in single-step and multi-step calculations. Use scientific notation to express significant figures in numbers with leading or trailing zeros
  • Differentiation
  • Assessments
    • Quiz
  • Assignment

Day 17
Thursday
September 13
  • Learning Target/Question
    • Explain the difference between derived units and fundamental units.
    • Describe some derived units used in chemistry (ex. volume, density) and how to use them.
    • Define density as a relationshp between the mass and volume of an object or substance.
    • Write density as a ratio of mass per unit volume; as a conversion factor in calculations.
  • Activities/Strategies
    • ENTRY TICKET: Write 1500 m, 1500.0 m, 0.00015 m and 0.0001500 m in scientific notation.
    • IN CLASS: Two types of calculations practice strategies for problem-solving.
    • Measurements for density investivation tomorrow.
  • Differentiation
    • Color-coding units and using domino patterns 
  • Assessments
    • quiz
  • Assignment

    • Assigned practice
Day 18
Friday
September 14
  • Learning Target/Question
    • Use the density formula to find mass or volume of a known or unknown substance by rearranging the equation as needed. 
    • Use the units for density as a conversion factor.
    • Graph mass vs volume on desmos.com
  • Activities/Strategies
    • Create a graph of yesterday's measurements on desmos.
  • Differentiation
    •  
  • Assessments
  • Assignment

  • ENTRY TICKET: Solve the problem on the screen. Trade with a partner and give feedback.
    LEARNING TARGET:

    IN CLASS: Density measurement and calculations; graphing in Desmos.
    TO DO: Prepare for measurement assessment.
Day 19
Monday
September 17
  • Learning Target/Question
  • Activities/Strategies
    • Measurement Assessment
  • Differentiation
    •  
  • Assessments
  • Assignment