Key learning points

1. When light travels towards a surface and bounces off it, this is called reflected light.
2. A data logger can be used to record the amount of light reflected from different surfaces in lux.
3. The results of an investigation can be recorded in a table and used to make decisions about different materials.
4. The best surfaces for reflecting light are very smooth, such as a glass mirror or polished metal.
5. Scientists evaluate every stage of an investigation to suggest improvements.

Keywords

• Reflect - To reflect light is when light hits a surface and bounces off.

• Surface - The surface is the top or outside layer of something.

• Result - The result of a test or enquiry is what happened or what was found out.

• Evaluate - To evaluate is to think about what you did and suggest any changes or improvements.

• Improvement - An improvement is when something gets better or when you make it better.

Common misconception