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This teacher needs your help!

Mr. Barnes from Memphis, TN is requesting supplies through DonorsChoose, the most trusted classroom funding site for teachers.

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Fully Funded

Mr. Barnes's classroom raised $493

The Optics of a Physics Pirate

My students need supplies, such as scissors, protractors and meter sticks, to study and analyze optics: how light rays travel through lenses, from mirrors and through diffraction grating.

Classroom photo
Mr. Barnes Central High School
Memphis, TN Grades 9-12

My Students

Physics Pirates need to be able to view, see and realize the curious things and events around them.

Yes, my students would like to think they are Physics Pirates....and so would I.

We have good imaginations. My students are inner-city students who are commonly from single-parent homes and receive monthly government checks. Our school is an optional school. We teach children who are distinctly college track and drive from different parts of our city and those who are from the local neighborhood.

My Project

With the diffraction grating and scissors, we will use paper towel cores (which they bring) and a few other supplies to make spectroscopes. Students will be able to build their own spectroscope which will break any light source into its component spectrum. These go home with the students. The protractors, rulers and compasses will be used to draw optics ray diagrams so that the student can understand how light travels through lenses and bounce off mirrors.

The optics drawings and the spectroscope building labs are quite time consuming and go much easier with the proper materials available.

Study of optics and light phenomena supports the curriculum for Physics.

This project will directly impact historically underfunded classrooms.

More than half of students from low‑income households

150 students impacted 25 donors
Mr. Barnes Central High School Grades 9-12

Celebrate Black teachers and kids! This project supports a Black teacher or a school where the majority of students are Black.

This project will directly impact historically underfunded classrooms.

Memphis, TN View local requests

More than half of students from low‑income households Data about students' economic need comes from the National Center for Education Statistics, via our partners at MDR Education. Learn more

150 students impacted 25donors

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Where Your Donation Goes

Where your donation goes
Materials Cost Quantity Total
Diffraction Grating 1000/Mm 2X2In St/15 • Sargent-Welch $13.09 3 $39.27
Scissors Student - Blunt • Sargent-Welch $5.04 35 $176.40
Compass Drawing With Pencil • Sargent-Welch $1.94 35 $67.90
Protractor Safe-T 6In Pack12 • Sargent-Welch $11.12 3 $33.36
Meter Stick Hardwood • Sargent-Welch $4.05 15 $60.75

Materials cost

$377.68

Vendor shipping charges

 FREE

Sales tax

 $0.00

3rd party payment processing fee

$5.67

Fulfillment labor & materials

$35.00

Total project cost

$418.35

Suggested donation to help DonorsChoose reach more classrooms

$73.83

Total project goal

$492.18

How we calculate what's needed

Total project goal

 $492.18

22 Donors

-$474.53

Donations toward project cost

-$418.35

Donations to help DonorsChoose reach more classrooms

-$56.18

Excluded support for DonorsChoose

-$17.65

Still needed View calculationHide calculation

 $0.00

Our team works hard to negotiate the best pricing and selections available.

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Project Activity

Project Activity
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As a teacher-founded nonprofit, we're trusted by thousands of teachers and supporters across the country. This classroom request for funding was created by Mr. Barnes and reviewed by the DonorsChoose team.

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