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Gas Laws in Society

Science • 30 • 21 students • Created with AI following Aligned with provincial curriculum standards

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Science
30
21 students
5 June 2026

Teaching Instructions

I'm in the dalton law group, use this to guide you GAS LAWS CULMINATING PROJECT

You will be working in small groups (3-4 students) to research the prevailing Gas Laws and societal impacts that have shaped our current understanding of the behavior of gases and the relationship with pressure, temperature, and volume; along with our approach to the societal implications of these gas laws. INTRODUCTION TO GASES AND KMT BOYLE’S LAW CHARLES’ LAW GAY-LUSSAC’S LAW COMBINED GAS LAW AVOGADRO’S LAW IDEAL GAS LAW DALTON’S LAW REQUIREMENTS Your group will be responsible for completing 4 components to this project:

  1. A HALF PERIOD LESSON (30 minutes). This should include, but is not limited to: • the scientific theory covered by your topic • the history of how your topic developed (what else was happening at the time that led to the need for your topic?) • real world applications, clearly showing a connection to your topic specifically • a description of how gas laws can be applied to our daily lives and other areas of study (e.g. meteorology, medical anesthetics, undersea exploration, etc.) • using appropriate scientific vocabulary (terms, symbols, units, etc) to communicate ideas related to your topic • a demonstration/online simulation/or video experiment to support o This MUST be pre-approved by your teacher MORE THAN ONE WEEK ahead of the first presentation date!

• a hands on experience for students to engage with the lesson

This lesson can take on any number of forms, from conventional “teacher-led” lesson, infomercial- style sales pitch trying to sell some fictitious product, television show, news report, etc.

28 MARKS 2) A proper, well-constructed, LESSON PLAN outlining the topics that you intend to discuss during the lesson. The lesson plan should specify the time allocation for all aspects of the lesson and who is responsible for each aspect, learning goals, success criteria, and the specific curriculum expectations you intend to cover. Be sure to address any learning styles and teaching strategies you are using. (You will want to research what an effective “Lesson Plan” looks like). NOTE: Any demonstrations you intend to perform should be outlined in detail in your lesson plan, including the reason for performing the demonstration and any equipment needed. Due Friday, June 5, 2025.

10 MARKS

  1. A 2-page (digital .PDF) HANDOUT outlining the important aspects of the law, the scientist, the applications and some sample problems. • This handout will be shared with students in the class and should constitute a comprehensive summary, useful to support your lesson, and be visually appealing. • That is, it should not be a full page of text in a very small font. Due Friday, June 5, 2025.

10 MARKS

  1. A HOMEWORK PROBLEM SET containing 10 multiple choice questions AND 10 short answer questions, of varying style, level of difficulty, and depth of knowledge. • You will need to submit 2 copies of the problem set: • 1 copy of just the questions, which will be made available to the class • 1 copy with worked solutions and mark allocation included. ( o This should include check marks outlining where the marks are earned o This will NOT be provided to the class Due Monday, June 8.

10 MARKS

ASSESSMENT / EVALUATION There will be several methods of assessment and evaluation that will be used to generate your grade throughout this project. i) One peer evaluation. • Each student in the class (excluding those in the presenting group) will conduct a digital peer evaluation, using a supplied assessment rubric (Google Form). • These peer evaluations will be averaged and count towards 50% of the group’s mark on the “lesson”. ii) One self-evaluation. • Each group member will conduct a digital self-evaluation of their own group (an evaluation of the other members in the group) using a supplied assessment rubric (Google Form). • These self-evaluations will be used to determine a multiplication factor for your individual mark, based on the group totals. o Groups will be allocated 100% per student in the group (i.e. If you have 3 people in your group, you will have 300 percentage points to allocate) ▪ NOTE: No 2 students can be allocated the same mark ▪ NOTE: Marks must differ by at least 2% ▪ NOTE: No mark can exceed 110%... similarly... No mark can go below 90%

iii) One teacher evaluation. • Your teacher will conduct an evaluation, also based on the same assessment rubric. • This evaluation will be worth the remaining 50% of the mark for each aspect of the project. SAMPLE MARK CALCULATION STUDENT #1

STUDENT #2

STUDENT #3 • Peer Evaluation of your LESSON: 23 /28 23 /28 23 /28 • Teacher Evaluation of your LESSON: 20 /28 20 /28 20 /28 AVERAGE: 21.5 /28 21.5 /28 21.5 /28 • Peer Evaluation of your HANDOUT: 8 /10 8 /10 8 /10 • Teacher Evaluation of your HANDOUT: 9 /10 9 /10 9 /10 AVERAGE: 8.5 /10 8.5 /10 8.5 /10 • Teacher Evaluation of your LESSON PLAN: 7 /10 7 /10 7 /10 • Teacher Evaluation of your PROBLEM SET: 10 /10 10 /10 10 /10 • Group Subtotal: 47 /58 47 /58 47 /58

• Multiplication Factor, from Group Self- Evaluation: 95% 100% 105%

• Your final mark: 44.7 /58 47 /58 49.4 /58 77 % 81 % 85 %

ASSESSMENT RUBRIC 0 UNACCEPTABLE

1 POOR QUALITY

2 AVERAGE QUALITY

3 GOOD QUALITY

4 EXCELLENT QUALITY

HISTORICAL PERSPECTIVE

Provided no history about the gas law and/or scientist involved with its discovery.

Provided the name of the scientist with no discussion of research conducted to derive the relationship.

Provided the name of the scientist with limited or unclear discussion of research conducted to derive the relationship.

Provided the name of the scientist with relevant discussion of research conducted to derive the relationship.

Provided the name of the scientist with detailed discussion of other research being conducted that led to the need for this relationship.

THEORY

Provided no theory relating to the development of the law and/or relationship investigated.

Introduced the law/relationship outlined by the theory with no explanations or applications. Includes unclear or no connections to the Kinetic Molecular Theory.

Introduced the law/relationship outlined by the theory with limited explanations. Includes limited connections to the Kinetic Molecular Theory.

Introduced the law/relationship outlined by the theory with clear explanations and some applications to daily life. Includes connections to the Kinetic Molecular Theory.

Introduced the law/relationship outlined by the theory detailed connections to real-world applications and the effects on daily life. Includes detailed connections to the Kinetic Molecular Theory.

REAL WORLD APPLICATIONS

Provided no applications of the law.

Provided only “school/lab” related examples of the law and nothing relating to the real world.

Provided real world applications of the law, with no connections to how it demonstrates the validity of the gas law.

Provided few real world applications of the law, with some implicit connections to how it demonstrates the validity of the gas law.

Provided several real world applications of the law, with direct, explicit, connections to how it demonstrates the validity of the gas law.

SAMPLE PROBLEMS AND SOLUTIONS

Provided no sample problems and/or were not able to solve the problems provided.

Showed few (i.e. one or two) examples with no explanation of how to solve and/or manipulate the all variables.

Showed few examples with limited explanations of how to solve and/or manipulate the all variables.

Showed some examples with limited explanations of how to solve and/or manipulate the all variables.

Showed variety of examples with detailed explanations of how to solve and manipulate relevant variables.

DEMOS, VISUALS AND/OR SIMULATIONS

Provided no demos, visuals, or simulations. Proper lab safety was NOT used throughout the demonstration.

Demos, visuals, or simulations used to support the law were inaccurate, unclear, and/or inappropriate. Proper lab safety was NOT used throughout the demonstration.

Demos, visuals, or simulations were used to support the law but were not helpful in better understanding the gas law. Proper lab safety was NOT used throughout the demonstration.

Demos, visuals, or simulations were used to support the law but were not clearly connected to the gas law. Proper lab safety was used throughout the demonstration.

Demos, visuals, or simulations used to support the law were relevant, clear, and made it easier to understand the gas law. Proper lab safety was used throughout the demonstration.

MARK 0 1 2 GROUP ORGANIZATION

Demonstrated uncertainty of order, material, and/or role. Presentation did not make good use of the time allotted and required teacher intervention.

Presentation appeared segmented, with clear breaks between presenters or uncertainty with roles and responsibilities. Presentation did not make good use of the time allotted.

Group demonstrated clearly defined, logical flow of information. Group worked well together with seamless transitions. Presentation maximized time allowance without exceeding.

CLARITY Concepts difficult to grasp. Voice unclear.

Presenters spoke too quickly, did not permit time to take appropriate notes, and/or required clarification of information on many occasions.

Presenters spoke slowly, ensured the information made sense and was understood by the class.

CREATIVITY Showed no creativity in presentation style and supporting materials.

Traditional style of presentation and supporting materials that do not go beyond what one would typically expect of a lesson.

Showed relevant and unique creativity in presentation style and supporting materials.

CLASS INVOLVEMENT No effort was made to ensure class participation, interaction, engagement.

Class involvement instigated by group members and/or appeared forced.

Class appeared engaged, interactive, and self-motivated to participate.

PRESENTATION DATES:

  1. Introduction and Kinetic Molecular Theory Tuesday, June 9, 2025
  2. Boyle’s Law
  3. Charles’ Law Wednesday, June 10, 2025
  4. Gay-Lussac’s Law
  5. Combined Gas Law Thursday, June 11, 2025
  6. Avogadro’s Law
  7. Ideal Gas Law Friday, June 12, 2025
  8. Dalton’s Law NOTE: Any demonstrations, activities, or experiments that you wish to conduct for your lesson MUST be pre-approved by the teacher, well in advance of your lesson!

Overview

Students connect gas laws (Boyle’s, Charles’, Gay-Lussac’s, Combined, Avogadro’s, Ideal Gas, and Dalton’s) to Kinetic Molecular Theory (KMT) and evaluate how these ideas influence real-world technologies and public life in Canada. The class completes a short hands-on investigation and a structured mini “news segment” style activity to practise scientific communication.

Learning intentions

  • Students will be able to explain how KMT models gas behaviour and supports gas-law relationships.
  • Students will apply appropriate variables (pressure, temperature, volume, amount, and gas identity) to choose and use the correct gas law.
  • Students will describe one societal impact of gas laws and justify it with scientific reasoning.
  • Students will practise scientific vocabulary, units, and clear representation of relationships (graphs/equations/words).

Success criteria

  • I can link each gas law to KMT (what particles do) and to the direction of change for variables.
  • I can use the correct gas-law equation and unit conventions to solve a short problem accurately.
  • I can explain a real-world application (e.g., medicine, weather, industry) and connect it to the validity of a gas-law relationship.
  • I can communicate my group’s ideas clearly using scientific terms, symbols, and SI units.

Curriculum links

  • Understand relationships between matter, energy, and motion as described by Kinetic Molecular Theory.
  • Use scientific inquiry skills to conduct investigations and evaluate evidence.
  • Apply knowledge of chemistry concepts to solve problems involving gases and relate them to society and the environment.
  • Communicate results and conclusions using proper scientific vocabulary and representations.

Lesson structure (30 minutes)

  1. 2 min – Hook (Society Question)
  • Teacher reads a quick scenario: “Why does a sealed aerosol can feel colder after spraying?” Students do a 30-second think-pair-share on which variable changes and why.
  1. 5 min – KMT Fast Track (Dalton Law Group framing)
  • Teacher models KMT with a focus on collisions and energy transfer, then explicitly connects Dalton’s Law as “mixtures of independent gases with additive pressures.”
  • Students receive a one-page equation/variable “selection” guide for the laws (no full working yet).
  1. 8 min – Hands-on Demo/Station: Syringe Pressure–Volume Trend (Boyle’s Law)
  • Teacher action: Pre-approved demo: a plunger syringe setup (or simple bag-syringe simulation) where students can pull/push the plunger with a consistent technique and observe the pressure change (using a pressure sensor if available; otherwise careful qualitative observation plus teacher-provided example data).
  • Student action: In groups of 3–4, record: when volume decreases, what happens to pressure? link to KMT collisions.
  • Teacher prompt: “Which law is this and what stays constant in the model?” (temperature treated as approximately constant for short procedure).
  1. 5 min – Group “Gas Law News Brief” (Societal Impacts)
  • Each group draws one application prompt (teacher chooses from: medical inhalers/anesthetics, scuba/undersea pressure, weather balloons, industrial gas storage, altitude/aviation cabin pressure, aerosol sprays).
  • Students write 2–3 sentences: (1) which gas law(s) apply, (2) what variable relationship matters, (3) one societal reason it matters in daily life in Canada (safety, health, efficiency, climate/meteorology, or industry).
  1. 7 min – Mini Problem Application (Ideal Gas + Selection)
  • Teacher circulates and gives each group one short scenario-based multiple-step problem (simplified for 30 minutes).
  • Students decide which equation to use (Boyle/Charles/Gay-Lussac/Combined/Avogadro/Ideal/Dalton) and solve for the requested variable, using correct units.
  1. 2 min – Share Out + Exit Ticket
  • One group shares their news brief (30–45 seconds).
  • Exit ticket: “In 2 sentences, explain how KMT justifies the gas-law relationship you used today.”

Resources

  • Syringe and plunger materials (or pre-approved bag-syringe/pressure sensor kit), safety eyewear for students
  • Group data sheet with boxes for: variables, KMT particle explanation, identified gas law, societal application sentences
  • Equation/variable selection guide (teacher-prepared)
  • Scenario/problem cards (one per group)
  • Exit ticket slips or a quick digital form prompt
  • Timer and a visible agenda
  • Scientific vocabulary list (pressure, volume, temperature, amount of gas, partial pressure, collisions, KMT, SI units)
  • Classroom projector/board space for teacher KMT diagram and variable arrows

Assessment

  • Formative: teacher observes group reasoning during the station and checks variable choice and KMT explanation.
  • Formative: review the exit ticket for correct KMT linkage and correct variable-direction claims.
  • Summative link (for the larger project): teacher notes which groups can justify real-world connections with scientific reasoning (used to guide feedback on their later presentation/handout).

Differentiation

  • Support: provide sentence stems for societal impact (“Because ___ changes when ___, ___ is affected…”) and KMT explanations (“As pressure increases, particles ___ due to ___.”).
  • Support: offer a “variable-matching” checklist so students can quickly select the correct gas law before solving.
  • Extension: require one additional link such as “How would Dalton’s Law modify the situation if the gas were a mixture?” or “What assumptions are being made (e.g., constant temperature/ideal behaviour)?”
  • EAL/SEN: allow oral responses recorded by a group member; provide diagrams/arrows and sentence frames; keep the hands-on steps highly structured and consistent.

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