Reflected light: plan
I can plan how to compare different materials based on how reflective they are.
- Year 3
Reflected light: plan
I can plan how to compare different materials based on how reflective they are.
Lesson details
Key learning points
- Reflection involves a source of light and a surface.
- Light reflected from a surface is called reflected light.
- Data loggers are electronic devices which monitor and record changes in the environment over time.
- Light is measured in lux (lx) and can be recorded using a data logger.
Keywords
Reflect - To reflect light is when light hits a surface and bounces back.
Reflective - A mirror is a reflective surface. Mirrors reflect a lot of light.
Surface - The surface is the top or outside layer of something.
Data logger - Data loggers are electronic devices which monitor and record changes in the environment over time.
Lux - Lux is the unit used to measure the brightness of light.
Common misconception
Only mirrors and very shiny materials reflect light.
Explanation that lots of different materials reflect different amounts of light.
Equipment
Rulers, data loggers, torches, materials- white card, black card, foil, baking paper, plastic bag, cotton fabric, mirror, laminated paper.
Content guidance
- Exploration of objects
Supervision
Adult supervision recommended
Licence
Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.How are shadows created?
Q2.Objects made of which kind of material make the darkest shadows?
Q3.What is a surface?
Q4.What happens to an object's shadow when the object moves further away from a light source?
Q5.Which word describes data that repeats in a recognisable way?
Q6.Why is it important for scientists to record the results of an investigation?
Assessment exit quiz
6 Questions
Q1.Reflection happens when ...
Q2.What is the surface of a material?
Q3.When light travels towards a surface and bounces off it, this is called ...
Q4.Which of these images shows a data logger?
