Cells are alive! This lab shows how yeast, like all cells, carries out cellular respiration. This process uses oxygen and sugar to produce the product of carbon dioxide and water. Students analyze the gas produced using an acid/base indicator. 

 

Use this to learn and reinforce answers to questions such as:

❑  What evidence do cells produce to show they are alive?

❑  How can you analyze the gas produced from cellular respiration?

❑  How can you demonstrate cell respiration?

 

Once students try this activity, they can capture their observations using the included Lab Notes or probing questions included in the instructions. 

 

Concepts Addressed

♦  Cells produce carbon dioxide as they respire

♦  Carbon dioxide is acidic when dissolved in water

 

Answer Keys and Teacher Notes address most questions and issues that might arise in this study—you shouldn’t have to do any outside research unless you want to.

 

TEKS

7.12F

 

Materials Needed  Yeast, small cups, sugar, acid/base indicator (suggestions give), warm water, 1/4 teaspoon

 

Prep Time  Purchase and gather materials

 

Teaching Time   About 40 mins depending on accompanying writing assignment.

 

Student Sheets   Scaffolded writing prompts & lab reporting 

 

Connect with me… If you enjoy this product, please leave feedback to earn credits for future purchases! • If you have questions or problems, please let me know in the Q&A section and I’ll get back to you asap.

 

Terms of Use

Copyright © Carolyn Balch. All rights reserved by the author. This product is to be used by the original downloader only. Copying for more than one teacher, classroom, department, school, or school system is prohibited. This product may not be distributed or displayed digitally for public view. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). Clipart and elements found in this PDF are copyrighted and cannot be extracted and used outside of this file without permission or license. Intended for classroom and personal use ONLY.

Cellular Respiration Lab for Middle School: A Controlled Experiment

$3.00Price

    Answer Keys and Teacher Notes address most questions and issues that might arise in this study—you shouldn’t have to do any outside research unless you want to.

    Connect with me: If you have questions or problems, please let me know and I’ll get back to you as soon as I can.

     

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    Terms of Use   Copyright © Carolyn Balch. All rights reserved by the author. This product is to be used by the original downloader only. Copying for more than one teacher, classroom, department, school, or school system is prohibited. This product may not be distributed or displayed digitally for public view. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). Clipart and elements found in this PDF are copyrighted and cannot be extracted and used outside of this file without permission or license. Intended for classroom and personal use ONLY.