Reflected light: do and review | Science | Quizalize & Oak National Academy

Starter quiz

When light is reflected, it ...
- hits a surface and creates a shadow.
- hits a surface and bounces off. ✓
- hits a surface and disappears.
Which of these is a light source?
- the Sun ✓
- a TV ✓
- the Moon
- Earth
- a torch ✓
Which of these is needed to reflect light?
- a surface ✓
- a ruler
- a shadow
- a light source ✓
Which word describes a surface that sends back most of the light that shines on it?
- 'reflective' ✓
Which of these can we use to record how much light there is?
- a stopwatch
- a measuring cylinder
- a data logger ✓
Light is measured in ...
- tux.
- lux. ✓
- flux.

What is reflected light?
- Light that has travelled through a material.
- Light that has been absorbed by a material.
- Light that has bounced off a surface. ✓
What do we use to measure the amount of light?
- a thermometer
- a light sensor ✓
- a ruler
What are the results of an investigation?
- A plan for an investigation.
- How you will do an investigation.
- The data you collected during an investigation. ✓
The results below have been recorded in a .....
- gragh.
- diagram.
- chart.
- table. ✓
What kind of materials reflect the most light?
- Very smooth materials such as mirrors. ✓
- Very dark materials such as black card.
- Very dull materials such as baking paper.
What do scientists do when they evaluate an investigation?
- They do the whole investigation again.
- They suggest ways to improve it. ✓
- They choose a different question to answer.

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

All materials reflect the same amount of light.

Explanation that we can measure the differing amounts of light reflected by different materials.

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.