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Systems and Scale | Unit at a Glance

Unit at a Glance

Systems and Scale Unit

Lesson 1 – Pretest and Expressing Ideas (50 min)

  • Activity 1.1: Systems and Scale Unit Pretest (20 min)
  • Activity 1.2: Expressing Ideas about Ethanol Burning (20 min)

Lesson 2 – Foundations: Powers of Ten and Investigation Tools (2 hr 45 min)

  • Activity 2.1: Powers of Ten Video and Discussion (45 min)
  • (Optional) Activity 2.2: From Big to Small (30 min)
  • Activity 2.3: Zooming into Air (30 min)
  • Activity 2.4: Atoms and Molecules Quiz and Discussion (30 min)
  • Activity 2.5: Using a Digital Balance and BTB (30 min)

(Optional) Lesson 3 – Investigating and Explaining Soda Water Fizzing (3 hr)

  • Activity 3.1: Predictions about Soda Water Fizzing (20 min)
  • Activity 3.2: Observing Soda Water Fizzing (30 min)
  • Activity 3.3: Evidence-Based Arguments about Soda Water Fizzing (50 min)
  • Activity 3.4: Molecular Models for Soda Water Fizzing (40 min)
  • Activity 3.5: Explaining Soda Water Fizzing (40 min)

Lesson 4 – Investigating and Explaining Ethanol Burning (3 hr)

  • Activity 4.1: Predictions about Ethanol Burning (20 min)
  • Activity 4.2: Observing Ethanol Burning (30 min)
  • Activity 4.3 Evidence-Based Arguments about Ethanol Burning (40 min)
  • Activity 4.4: Molecular Models for Ethanol Burning (40 min)
  • Activity 4.5: Explaining Ethanol Burning (40 min)

Lesson 5 – Other Examples of Combustion (3 hr 10 min)

  • Activity 5.1: Molecular Models for Methane Burning (40 min)
  • (Optional) Activity 5.2: Explaining Methane Burning (40 min)
  • Activity 5.3: Preparing for Future Units – Organic vs. Inorganic (40 min)
  • Activity 5.4: Explaining Other Examples of Combustion (50 min)
  • Activity 5.5: Systems and Scale Unit Posttest (20 min)