This document outlines activities exploring light and its properties, including building a spectroscope, observing diffraction through various mediums, and observing interference and iridescence. It then proposes adding LED lighting to warning signals to increase their visibility at night. The proposed design would involve drilling signs, fixing LED bulbs and wires, connecting the system to vehicle switches, and testing the model. Implementing this system could help increase safety by helping people see warning signals better at night. The document concludes by acknowledging the support received for the project.

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Outline
• Introduction
• Activities
– Lights And Their Spectra
– Observing Diffraction
– Observing Interference
– Observing Iridescence
• Product Idea:
• Add lighting or LED on the warning signals for everyone
• to see at nigh

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Introduction

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Summary of activities
Activity 1: light and their
spectra
We built spectroscope to
analyze spectrum of
different light source.
Activity 2: Observing
diffraction
We observed diffraction of
waves through variety of
mediums such as water
waves.

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Summary of activities
Activity 3:Observing
Interference
Activity 4 Observing
Iridescence
There are two main types of
structures that create the
colors observed in
Iridescence:
1- Thin Film interference
2- Surface structure
Interference is the effect of
two or more waves moving
through the same place at the
same time.

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Aim of the work
Add lighting or LED on the warning
signals for everyone to see at night

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Add lighting or LED on the warning signals
for everyone to see at nigh
Methods and Materials
Materials
acrylic sheet –wires –LED bulbs –switches
Method:
1-drill the signs on the acrylic sheet
2-fix the LED bulbs
3-connect the wires with bulbs and switches
4-fix the switches to the steering wheel
5-try the model

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Add lighting or LED on the
warning signals for everyone to
see at night
Results
§This project is expected to have several important
results
§1-increasing the efficiency of warning signals
§2-helping people to see the warning signals.

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Add lighting or LED on the warning
signals for everyone to see at night
Recommendations‫ا‬
§We recommend that a company of making
warning signals adopt this product and
use it in the roads.

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Conclusions
Through our participation with Al-bairaq team , we
have acquired many of the most important
knowledge and skills
1-Ability to work cooperatively and teamwork
2-self –confidence and self-development
3-developing research skills and use materials
effectively
4-organize ideas and find alternative solutions
.

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Acknowledgment
Many thanks to my teachers, school and AL-Bairaq team
from Center for Advanced Materials (CAM), Qatar University
for supporting us during our journey with a AL-Bairaq.
Also, we would like to thank the partners UNESCO, Qatar
National Commission.