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Mr. Wiest from Los Angeles CA is requesting Technology through DonorsChoose, the #1 classroom funding site for teachers.

Weighty Physics Problems Sometimes Result in Tension

My students need weights for many different activities in physics.

  • $883 goal

This project expired on May 7, 2012.

Hooray! This project is fully funded

My Students

A very dynamic way to study forces is to use weights, pulleys and strings to have carts accelerate through photogates as weights fall from their tables. These pulleys will enable us to to do many experiments with various amounts of mass.

Students at this school come from low income, inner city backgrounds.

They have friendly, conscientious attitudes and they work hard to always do their best. They constantly amaze me with their bright smiles, their eagerness to learn and their ability to overcome adversity.

My Project

In physics class, my students perform 8 different lab experiments using falling weights. They strap weights to stings that are passed over pulleys and attached to rolling carts. As the weight falls, the cart is pulled through a set of photogates. Students then can use different weighs to see how it effects acceleration. Students will also swing the weights to study pendulums, they will hang them from pulleys to learn about mechanical advantage. The weights can be hung from springs in order to find the amount of energy stored in a spring along with Hooke's Law. They can set the spring/weight system into oscillation to find the period and frequency. These weights will be helpful for numerous experiments and help students have fun, positive experiences as they learn physics.

The best way to learn science is to DO science.

The reason I am asking for weights is that they can be used to make many different experiments possible. Many students doing many different labs with the same equipment means it has tremendous value in the classroom.

Mr. Wiest
Grades 9-12
Nearly all students from low‑income households

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23 donors23 donors have given to this project.

This project will reach 179 students.

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See our finances

Where Your Donation Goes

Materials Cost Quantity Total
WEIGHTS HOOKED 10-1000G SET OF 9 • Frey Scientific, Inc. $97.20 6 $583.20

Materials cost

$583.20

Vendor shipping charges

$69.98

State sales tax

$53.36

3rd party payment processing fee

$8.75

Fulfillment labor & materials

$35.00

Total project cost

$750.29

Suggested donation to help DonorsChoose reach more classrooms

$132.40

Total project goal

$882.69

How we calculate what's needed

Total project goal

$882.69

22 Donors

-$436.94

Donations toward project cost

-$375.15

Donations to help DonorsChoose reach more classrooms

-$61.79

match offer

-$441.34

Match offer toward project cost

-$375.14

Match offer to help DonorsChoose reach more classrooms

-$66.20

Excluded support for DonorsChoose

-$4.41

Still needed View calculationHide calculation

$0.00

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

View complete list Show less

Project Activity

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