Lesson 5: Engineering a Hot Pack

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Author:
Melody Childers
Intended Grade Level(s):
7th
8th
Subject Area(s) Covered:
engineering design
Chemical Reactions
Exothermic Reactions
Estimated Activity Length:
5 hours
Learning Goal(s):
  1. Students will collect data to characterize a chemical reaction

  2. Students will identify the criteria and constraints of an engineering challenge.

  3. Students will design and build a hot pack that meets the criteria of the project.

  4. Students will collect data to support their proposed design. 

Through a series of inquiry activities, students will discover the properties of the chemical reaction of dissolving CaCl

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Lesson 4: Research and Evaluate the Impact on the Environment and Society of Converting Natural Resources into PV Cells

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0
Author:
Melody Childers
Intended Grade Level(s):
7th
8th
Subject Area(s) Covered:
Photovoltaic Cells
Silicon
climate change
natural resources
Estimated Activity Length:
6 hours
Learning Goal(s):

1. Students will evaluate information to describe the impact on society from resource extraction and materials-processing for PV cells.

2. Students will communicate their understandings of different impacts from converting natural resources into PV cells through participation in a Socratic Seminar. 

Students will engage in guided research to explore resource acquisition, material processing, and electricity generation associated

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Lesson 3: Fuels and PV Cells

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0
Author:
Melody Childers
Intended Grade Level(s):
7th
8th
Subject Area(s) Covered:
fuels
combustion reactions
PV effect
model
circuits
conservation of mass
Estimated Activity Length:
0 sec
Learning Goal(s):
  1. Students explore the conservation of mass in chemical reactions by observing and modeling combustion reactions and exploring the essential question/phenomena, “is all fire the same?”

  2. Students will use information resources and a 3D model of a PV cell to understand how solar modules generate electricity. “How do PV cells make electricity?”

  1. Students will construct circuits to explore PV modules and variables involved in powering devices.

  2. Students evaluate, revise, and justify the energy resources suggested on an emergency preparedness supply list. 

Students will return to the phenomena of energy resources to support safety, health, and comfort in an emergency situation. They will distinguish between how common materials provide energy and develop an

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Lesson 2: Developing a Model of Thermal Energy, Atoms, and Molecules

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0
Author:
Melody Childers
Intended Grade Level(s):
7th
8th
Subject Area(s) Covered:
Chemistry
Atomic Structure
Molecular Structure
Thermal Kinetic Energy
Estimated Activity Length:
9 hours
Learning Goal(s):
  1. Students will develop a model through collaborative inquiry to explain thermal kinetic energy and predict the outcome when heat is added to a substance.

  2. Students will build argumentation from evidence skills through collaborative sense-making and gallery walk presentations.

  3. Students will develop a model of atomic and molecular structures.

 

Through a series of exploration and inquiry activities, students will explain kinetic molecular theory, atomic, and molecular structures. Students will be challenged to gradually increase the precision of

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Lesson 1: When the Grid Goes Down and Stays Down

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0
Author:
Melody Childers
Intended Grade Level(s):
7th
8th
Estimated Activity Length:
1 hour 20 min
Learning Goal(s):
  1. Students will understand the general structure of an energy grid

  2. Students will develop an understanding of the living conditions in Puerto Rico after Hurricane Maria

  3. Students will collaborate to brainstorm needs to support safety, health and comfort in a natural disaster setting.

  4. Students will identify energy resources that one might desire to have in order meet the needs they identify. 

Through an examination of media published in the five months following Hurricane Maria in 2017, students will develop an understanding of the electrical grid, the vulnerabilities of a grid system, and the

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Unit Plan

Average Rating:
0
Author:
Melody Childers
Intended Grade Level(s):
7th
8th
Subject Area(s) Covered:
atomic and molecular structure
circuits
thermal energy
PV cells
Engineering
design
inquiry
Chemistry
natural resources
conservation of mass
energy transformations
models
combustion
Estimated Activity Length:
0 sec
Learning Goal(s):
  1. To build empathy for people in emergency situations and an understanding of how access to energy resources can increase one’s safety, health, and comfort.

  2. To understand the nature of a variety of energy needs and how different applications have different optimal solutions.

  3. To develop models to explain the molecular and extended structures of energy resources, including how the resources change when energy is generated (Electron movement in PV cells, combustion reactions in fuel).

  4. To understand that the properties of substances depends upon the atomic / molecular structure, which changes with chemical reactions.

  5. To build a circuit that includes a solar module and measure the voltage and current.

  6. To gather and evaluate information to describe the impact on society of converting natural resources into PV cells.

  7. To design, build and test a device that uses a chemical reaction to generate or absorb thermal energy.

  8. Evaluate and revise a plan for the energy resources one should store to prepare for a natural disaster. 

Students develop atomic and molecular models of energy resources, analyze combustion of various fuels and build circuits with Photovolatic (PV) modules to evaluate and suggest revisions to a disaster

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