Choose a Light-blocking Screen
Use a supplied observation to choose a material for a purpose.
Open lesson 1Light, shadows, and material choices
Use light observations to explain a model and choose a material for a purpose.
Before you begin
- Read a short supplied record with support; compare same and different.
Choose by skill rather than age alone. Read with an adult when useful, revisit a lesson, or explore another grade.
Follow the lesson sequence
Name a Material’s Light Property
Match light observations to transparent, translucent, or opaque.
Open lesson 2Trace a Shadow Model
Explain a dark area using a blocked light path.
Open lesson 3Choose for Two Light Goals
Check whether one material satisfies two stated requirements.
Open lesson 4Review and transfer
After the lessons, try 4 new review cases and a practical task. Each answer has an explanation and a link back to the related lesson.
Open the unit reviewGuest answers are temporary. Keep your own paper or document; this unit does not certify completion or record a school grade.