Chemistry of Everyday Things

CONTENTS OF CURRICULUM UNIT 11.05.02

  1. Unit Guide
  1. Introduction
  2. Rationale
  3. Background Information
  4. Strategies and Activities
  5. Appendix A
  6. Appendix B
  7. Appendix C
  8. Appendix D
  9. Appendix E
  10. Endnotes

The Problems and Potential of Portable Power

Jennifer Fleck

Published September 2011

Tools for this Unit:

Appendix B

Standards and Objectives

This unit is designed to accomplish both process and content goals in science. I feel that the following process goals are important: Students will be able to design an experiment, students will be able to identify the independent and dependent variables, and students will be able to write a hypothesis, using an "If…then…because…" format. These link to the following standards in Illinois:

  • PSAE 11.11.01 Understand and follow procedures relating to scientific investigations, including understanding the design and procedures used to test a hypothesis, organizing and analyzing data accurately and precisely, producing and interpreting data tables and graphs, performing appropriate calculations, applying basic statistical methods to the data, identifying appropriate conclusions, making predictions, and evaluating competing models.
  • PSAE 11.11.04 Distinguish and define the following components of typical experiments: constants, variables, experimental group, control group (or control setup).

In terms of content, students should be able to describe science as a way of knowing, marked by experimentation, replication and revision that leads to new understandings about how the world works. This understanding can then be applied as technology to solve the world's problems. They should also be able to describe the chemical processes that occur inside of a battery, describe a battery as chemical storage of electrical energy and electricity as the flow of electrons, and describe the impact of batteries on the environment from production to disposal. These statements align with the following goals in Illinois:

  • PSAE 12.11.34 Understand how agricultural run-off and pollution entering ground water and surface water can affect drinking water and local wildlife.
  • PSAE 12.11.60 Understand that most acids, bases, and salts, when dissolved in water, conduct electric current and form ions in water solutions. Understand the observable properties of acids, bases, and salt solutions.
  • PSAE 13.11.06 Analyze scientific breakthroughs in terms of societal and technological effects.
  • PSAE 13.11.07 analyze examples of resource use, technology use or conservation program and make recommendations for improvements. 20

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