Thinkabara

🔬 8th Grade · ScienceMS-PS4-3Unit 4: Waves & information

Digital signals

Google Classroom

🎯 Objective: Students explain why digital signals are more reliable than analog.

Lesson outline

  1. Telephone game.
  2. Binary codes.
  3. Discuss.
  4. Exit: explain.

Lesson 3 of 3 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

MS-PS4-3

Next Generation Science Standards (NGSS), middle school — Physical Science (discipline-specific model)

🏁 Unit goals

  • Model wave properties
  • Explain how light and sound interact with materials
  • Compare analog and digital signals

✅ 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

🕵️ Secret code maker🦫 Encyclopedia: Science🦫 Kids encyclopedia⚡ Capy Live class quiz

🗓️ Plan the whole year like this

Add 8th 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 “Waves & information”

  1. Wave properties
  2. Light and materials
  3. Digital signals

Something to improve in this lesson? Tell us.