Physical Science · Waves & Information
Light Reflection & Vision
Build a source → object → eye model to explain vision, then use a mirror target investigation to show that changing mirror orientation changes the direction of reflected light.
Lesson plan
Light Reflection & Vision
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Lesson overview
What students will learn
- Develop a model showing that an object is seen when reflected light enters the eye.
- Use mirror observations as evidence that changing mirror orientation changes reflected-light direction.
Key science ideas
- Light travels from a source to an object.
- Light reflects from the object in many directions.
- An object is seen when some reflected light enters the eye.
Lesson at a glance
- Grade 4
- 45 min
- ~10 min prep
- 4-PS4-2
- 6 materials
What’s included
- Lesson Plan
- Investigation
- Teacher Slides
- Printable Worksheet
- Teacher Answer Key
- Interactive Activity
- Vocabulary