Thinkabara

🔬 4th Grade · Science4-ESS1-1Unit 4: Earth’s processes & history

Rock layers

Google Classroom

🎯 Objective: Students use rock layers and fossils to explain change over time.

Lesson outline

  1. Layer sandwich model.
  2. Fossil clues.
  3. Discuss.
  4. Exit: oldest layer.

Lesson 1 of 4 in this unit. In the Lesson Planner this lesson takes 1–3 class periods depending on your timetable: day 1 introduce & model, then practice, small-group reteach and a quick check.

📐 Standard

4-ESS1-1

Next Generation Science Standards (NGSS), Grade 4 — typical US unit order

🏁 Unit goals

  • Use rock layers to explain change over time
  • Explain weathering and erosion
  • Map Earth’s features and hazards

✅ Check for understanding

End with the exit ticket in the outline. Sort answers into got it / almost / not yet and start the next lesson with a 5-minute reteach for the “not yets”.

Practice & resources on Thinkabara

🦫 Encyclopedia: Dinosaurs🦫 Encyclopedia: Science🦫 Kids encyclopedia⚡ Capy Live class quiz

🗓️ Plan the whole year like this

Add 4th Grade Science to your free Lesson Planner: enter your timetable once and every period shows the next lesson, skipping weekends and school breaks.

Add to my planner See the year’s sequence

More lessons in “Earth’s processes & history”

  1. Rock layers
  2. Weathering and erosion
  3. Maps of Earth’s features
  4. Reducing hazards

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