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Mrs. Stekl from Bridgeport CT is requesting Lab Equipment through DonorsChoose, the #1 classroom funding site for teachers.

Why Is This Beaker Getting So Cold??

My students need a refreshed supply of lab materials including ammonium chloride, calcium chloride and sodium chloride, goggles, and nitrile gloves in order to complete our core laboratory investigations.

  • $413 goal

Hooray! This project is fully funded

Hooray! This project is fully funded

My Students

My student's come in every day excited to learn and spend time with student's from other schools. Many of them come in with an excited "Hi Ms. B! What are we going to do today?" and end the day with a loud "Thank you, Ms. B!" on their way out the door.

No matter which town they are from, suburban or urban, my students make amazing friendships while working in our classroom on various experiments, projects, and activities.

My students find joy in being able to come from their respective schools for a portion of their day to explore and share their passion for science. About 50% of them come from the surrounding lower-income areas of the city where our school is located.

My Project

Our classroom chemistry lab supplies are running low. The students need 3 different types of salts (Ammonium Chloride, Calcium Chloride and Sodium Chloride) to complete their Cold and Hot Pack Lab, where they investigate the exothermic and endothermic reactions that occur when a solution is made with water.

This is a key opportunity for students to design their own inquiry investigation of how energy is transferred between a system and its surroundings.

Along with these important lab chemicals, they also need more splash proof goggles and nitrile gloves for safety. They will also use the yeast for their investigation of fermentation, which is a type of exothermic reaction.

Mrs. Stekl
Grades 9-12
More than half of students from low‑income households

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Where Your Donation Goes

Materials Cost Quantity Total
Safety Goggles, Small and Large, Assorted Colors, Value Pack of 20 • Carolina Biological Supply Company $62.77 1 $62.77
Nitrile Disposable Gloves, Large, Box of 100 • Carolina Biological Supply Company $16.15 2 $32.30
Nitrile Disposable Gloves, Medium, Box of 100 • Carolina Biological Supply Company $16.15 2 $32.30
Nitrile Disposable Gloves, Small, Box of 100 • Carolina Biological Supply Company $16.15 2 $32.30
Nitrile Disposable Gloves, X-Large, Box of 100 • Carolina Biological Supply Company $16.15 2 $32.30
Yeast, Powder, Activated, Laboratory Grade, 100 g • Carolina Biological Supply Company $10.21 3 $30.63
Ammonium Chloride, Granular, Laboratory Grade, 500 g • Carolina Biological Supply Company $7.33 3 $21.99
Sodium Chloride, Crystal, ACS Grade, 500 g • Carolina Biological Supply Company $6.61 3 $19.83
Calcium Chloride Dihydrate, Granular, Laboratory Grade, 500g • Carolina Biological Supply Company $5.44 3 $16.32
Biuret Reagent, Laboratory Grade, 500 mL • Carolina Biological Supply Company $6.48 1 $6.48

Materials cost


Vendor shipping charges


State sales tax


3rd party payment processing fee


Fulfillment labor & materials


Total project cost


Suggested donation to help DonorsChoose reach more classrooms


Total project goal


How we calculate what's needed

Total project goal


4 Donors


Donations toward project cost


Donations to help DonorsChoose reach more classrooms


Excluded support for DonorsChoose


Still needed View calculationHide calculation


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

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Project Activity

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