Thinkabara

🔬 2nd Grade · Science2-PS1-4Unit 1: Properties of matter

Heating and cooling

Google Classroom

🎯 Objective: Students observe changes from heating or cooling, some reversible and some not.

Lesson outline

  1. Melt chocolate, freeze water, cook an egg (demo).
  2. Sort reversible/irreversible.
  3. Discuss.
  4. Exit: one of each.

Lesson 4 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

2-PS1-4

Next Generation Science Standards (NGSS), Grade 2 — typical US unit order

🏁 Unit goals

  • Classify materials by observable properties
  • Test which materials suit a purpose
  • Show heating and cooling cause changes

✅ 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: Science🦫 Kids encyclopedia⚡ Capy Live class quiz

🗓️ Plan the whole year like this

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More lessons in “Properties of matter”

  1. Describing materials
  2. Best material for the job
  3. Small pieces, big objects
  4. Heating and cooling

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