Pilot Prep Science 10 Class - Introduction and Lesson Overview

Introduction

• Instructor: Rachel Chu (Full IB Grade 11 student, passed Science 10IB with 100% average)
• Co-instructor: Tony Wang (IB student at the same high school)
• Contact: Emails provided for questions and additional help.
• Student Interaction: Encourage students to share their high school and grade.

Class Logistics

• Missing Classes: Slides and class recordings will be uploaded to a Google folder named "Pilot Prep Science 10."
• Class Expectations:
  • Take notes effectively.
  • Feel free to ask questions if you don't understand something.

Lesson 1: Chemistry

WHMIS (Workplace Hazardous Materials Information System)

• Importance of remembering WHMIS labels for high school tests.
• Key WHMIS Symbols:
  • Flammable (fire symbol)
  • Oxidizer (circle with fire)
  • Compressed Gas (wine bottle)
  • Corrosive (symbol of something being dissolved)
  • Explosive (exploding bomb)
  • Acutely Toxic/Skull Crossbones (poisonous)
  • Carcinogen (person with stars)
  • Irritant (exclamation mark)
  • Biohazard (circle symbol)
  • Harmful to Aquatic Environments (fish and tree)

Lab Safety

• General common-sense practices.

Scientific Method

• Will be reviewed, not a major focus.

Graphing in Labs

• DRY MIX:
  • Dependent, Responding, Y-axis
  • Manipulated, Independent, X-axis
• Interpolate & Extrapolate:
  • Interpolate: deducing within data range
  • Extrapolate: deducing beyond data range
• VOLTS Acronym for graphing:
  • Variables, Orientation, Labels, Title, Scale

Interactive Activities

• Practice associating WHMIS labels with scenarios.
• Graphing practice: creating titles and identifying variables.

History of the Atomic Model

Key Contributors

• Democritus: Concept of atoms (atomus).
• John Dalton: Billiard ball model.
• JJ Thomson: Discovery of electrons and the plum pudding model.
• Ernest Rutherford: Discovery of the nucleus, planetary model.
• Niels Bohr: Bohr model with energy levels.
• Quantum Mechanical Model: Current model with electron clouds.

Chemical and Physical Changes

• Physical Change: Change in form, not composition (e.g., water to ice).
• Chemical Change: Formation of a new substance (e.g., bubbling, odor).

Interactive Exercises

• Identifying chemical changes in scenarios.
• Matching scientists with their atomic models.

Periodic Table

History and Structure

• Dmitri Mendeleev: First periodic table.
• Element Classification:
  • Metals, Non-metals, Metalloids

Characteristics

• Metals: Conductive, malleable, ductile, solid at room temperature.
• Non-metals: Poor conductors, brittle, mostly gases.
• Metalloids: Properties of both metals and non-metals.

Molecular Elements

• Elements naturally occurring as molecules (e.g., H₂, O₂, N₂).
• Mnemonic: "I bring clay for our new house for pouring eight sidewalks."

Organization of Periodic Table

• Periods: Horizontal rows.
• Groups: Vertical columns with similar properties.

Interactive Exercises

• Identifying metals, non-metals, and metalloids based on properties.

Conclusion

• Next week: Properties of atoms and ions.
• Thank you note to the student for participating actively.

These notes provide a structured summary of the lesson, focusing on the key points and activities discussed during the class. They can be used for review and study purposes to reinforce learning outcomes.