The document summarizes the activities and results of a student group's project exploring light manipulation at the nanoscale. The group conducted experiments observing light spectra, diffraction, interference and iridescence. They proposed a product idea of hanging used pens to promote recycling. The product would allow reusing pens decoratively while benefiting the environment and communities. The group found their experiments helped teamwork skills and scientific understanding to inform their project.

1. Al-Bairaq
I am discovering materials
Manipulation of Light in the Nanoworld
BLUE TEAM
ALDANA AL-DOSARI REEM AL-REMAIHI
FATIMA FARIS ALREEM ALHAJRI

2. Outline
• Introduction to Light
• Activity 1: Lights and their Spectra
• Activity 2: Observing Diffraction
• Activity 3: Observing Interference
• Activity 4: Observing Iridescence
• Product Idea: hanging pens

3. Introduction to Light
Light is a type of energy.
It’s a small part of the electromagnetic
spectrum and radiation given off by stars
like the sun.
Light moves in straight line creating
shadows when the path of light is blocked.

4. Activity 1: Lights and their Spectra
Objective: create a spectroscope and try it in front of different
light sources.
Results: seeing 2 colorful rainbow stripes through the
spectroscope.
conclusion : spectroscope shows us how white light is out of 7
colors.

5. Activity 2: Observing Diffraction
Objective: Diffraction is the slight bending of light as it
passes around the edge of an object through the ripple
tank experiment.
Results: the ripple are wide near the rod but become
sharper as they move away , just like how light will
diffract the most when going through a slit whose width
is much greater than the wavelength of light.

6. Activity 3: Observing
Interference
Making interference transparent.
Result: we found that
white color constructive
interference black color
is destrucative, when
two waves interfere with each other.

7. Activity 4: Observing Iridescence
Objective: to have the chance to exmine saveral different
occrrence of this ‘structural colour.
we made three experiment to observe how coloues change.
Conclusion:we concluded that the color changes depending on
the angle of light and the structural differences.

8. Product Idea
Title: Attractive title that presents your product
Introduction and Rationale:
The importance of this project contributes to the
recycling of pens and use in decoration and it is not
expensive everyone can do it.
The idea attracted me because it is a new and beautiful
idea and no one has ever done.
The scientific background is chemistry and the activities
we have done have helped us a lot in terms of
cooperation and too many benefits.

9. We assume that the shadow of the pens will get in
shape and we will benefit from recycling things.
HANGING PENS
Hypothesis:

10. HANGING PENS
our product story:
We look our colleagues in school, they use pens then
throw them in the ground or in the trash and also see
the pencils in the ground or in the street and at the
moment thought and then disussed with us and
appeared this idea that we rotate the residence
insttead of throwing it.

11. HANGIGNG PENS
Results:
Recycling
Take advantage of pens correctly
inexpensive

12. Do you recommend (advice) that your product can be used for
other new applications for it?
We recommend that companies adopt tasks in the project .
Do you advice more investigation for improvement of the
product or project?
no
If you faced obstacles in your experiments or testing of your
product: what are they? And what you need or advice to
overcome them?
We have not encountered any problems or obstacles .
HANGING PENS
RECOMMENDATION

13. Conclusions
(Overall)
Recycling is half of a manufacturing process
and is therefore a money saver.
Provide job opportunities for young people
by working in recycling factories.

14. Acknowledgment
Thank you to all the people, teachers, friends, and our school
that supported us during our journey in Al-bairaq project.
Awe would also like to thank Al-Bairaq team and the sponsors
who gave’s us the opportunity to participate in Al-Bairaq
project, create and innovate.