Air Pressure: Air Is Compressible, an Activity with Marshmallows

Air Pressure: Air Is Compressible, an Activity with Marshmallows
Air Pressure: Air Is Compressible, an Activity with Marshmallows
Air Pressure: Air Is Compressible, an Activity with Marshmallows
Air Pressure: Air Is Compressible, an Activity with Marshmallows
Air Pressure: Air Is Compressible, an Activity with Marshmallows
Air Pressure: Air Is Compressible, an Activity with Marshmallows
Air Pressure: Air Is Compressible, an Activity with Marshmallows
Air Pressure: Air Is Compressible, an Activity with Marshmallows
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3 MB|5 pages
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Product Description

How can we make air pressure visible? By changing in in the presence of a puffy object like a marshmallow. In this activity students use simple vacuum and pressure pumps to see the dramatic effect they have on marshmallows (bits of foam rubber could be substituted).

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

❑  How much space does air take?

❑  What happens to air when it's squeezed?

❑  What causes air to expand?

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

Concepts Addressed

♦  Matter takes up space

♦  Air's pressure pushes it into every conceivable space

♦  Since air is matter, it must take up space.

♦  Air is compressible

♦  Air (gas) cannot pull, it can only push

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.

Materials Needed   Vacuum pump (used for wine), pressure pump (used for carbonated drinks), plastic test tubes, mini marshmallows.

Prep Time   Collect and purchase materials as needed

Teaching Time   About 40 minutes.

Student Sheets   Scaffolded writing prompts 

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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.

Total Pages
5 pages
Answer Key
Included
Teaching Duration
40 minutes
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