Worksheet - How Does a Thermos or Vacuum Flask Work (Heat Transfer)

Worksheet - How Does a Thermos or Vacuum Flask Work (Heat Transfer)
Worksheet - How Does a Thermos or Vacuum Flask Work (Heat Transfer)
Worksheet - How Does a Thermos or Vacuum Flask Work (Heat Transfer)
Worksheet - How Does a Thermos or Vacuum Flask Work (Heat Transfer)
Worksheet - How Does a Thermos or Vacuum Flask Work (Heat Transfer)
Worksheet - How Does a Thermos or Vacuum Flask Work (Heat Transfer)
Worksheet - How Does a Thermos or Vacuum Flask Work (Heat Transfer)
Worksheet - How Does a Thermos or Vacuum Flask Work (Heat Transfer)
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  1. SAVE OVER 25%! Bundle Overview: This unit bundle contains all resources needed for a typical middle school physics unit on thermal energy, heat, and temperature. The bundle contains a unit PPT and corresponding student summary notes, worksheets, lab activities, formative quizzes, review exercises
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Product Description
A 3-page worksheet that teaches students how Thermos, or vacuum flasks work through a 1-page reading and 5 review questions.

Page 1 features a reading exercise on the three main methods of heat transfer and how a vacuum flask is designed to prevent them. This includes the following topics:

Contents:

- What is a Thermos or vacuum flask?
- The 3 types of heat transfer (conduction, convection, and thermal radiation)
- Thermal equilibrium
- What is a vacuum?
- How a vacuum flask reduces conduction (thermal insulators)
- How a vacuum flask reduces convection (trapped air and sealed chambers)
- How a vacuum flask reduces thermal radiation (silvered surfaces)
- Why a vacuum flask is not 100% efficient


Page 2 contains 5 review questions that test student understanding in the form of short answer questions and a labeled diagram that cover all major concepts found in the reading.

Page 3 is a full answer key for the review questions.


Downloadable in 2 Formats:

- This worksheet comes in 2 formats: a static PDF document and fully-editable WORD document
- Download the full PDF preview to see EXACTLY what you are getting!


Relevant CC Standard(s) and/or NGSS Core Idea(s) Addressed by This Product:

NGSS - MS-PS3.A
Physical Science – Energy – Definitions of Energy

NGSS - MS-PS3.B
Physical Science – Energy – Conservation of Energy and Energy Transfer


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Terms of Use:

Copyright © Douglas Enns. All rights reserved by 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 document 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
3 pages
Answer Key
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