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Lessons
Engineering Solutions
Discipline
Science
Grade
3
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Professional Commentary

The purpose of this lesson is to use Internet resources to explore the side effects of technology; and to design, implement and evaluate solutions related to the problem of waste disposal. At the end of the lesson students apply what they've learned to a practical real-life problem, reducing the school's garbage.

The Internet resources used in this lesson are very informative and engaging. Through these resources students can explore the history of waste management, explore the impact of various waste reduction programs on a city, and test their knowledge about hazardous waste. It may be helpful to organize the websites into a webquest to help students access the information quickly and easily. (author/ts)


Next Generation Science Standards (2012)
Scientific and Engineering Practices
 
Constructing explanations (for science) and designing solutions (for engineering)
 
Obtaining, evaluating, and communicating information
Crosscutting Concepts
 
Systems and system models
 
Energy and matter
Ohio Science Academic Content Standards (2010)
Science Inquiry and Application
Grade 3
Earth and Space Science
Earth’s Resources
3. 
Some of Earth’s resources are limited.
Ohio Science Academic Content Standards (2002)
Earth and Space Sciences
Benchmarks (3–5)
C.
Describe Earth's resources including rocks, soil, water, air, animals and plants and the ways in which they can be conserved.
Grade Level Indicators (Grade 5)
5.
Explain how the supply of many non-renewable resources is limited and can be extended through reducing, reusing and recycling but cannot be extended indefinitely.
Science and Technology
Benchmarks (3–5)
A.
Describe how technology affects human life.
B.
Describe and illustrate the design process.
Grade Level Indicators (Grade 3)
2.
Describe ways that using technology can have helpful and/or harmful results.
Grade Level Indicators (Grade 4)
1.
Explain how technology from different areas (e.g., transportation, communication, nutrition, healthcare, agriculture, entertainment, manufacturing) has improved human lives.
Grade Level Indicators (Grade 5)
1.
Investigate positive and negative impacts of human activity and technology on the environment.
3.
Explain how the solution to one problem may create other problems.
National Science Education Standards
Life Science
Organisms and environments (Grades Kindergarten - 4)
Science in Personal and Social Perspectives
Types of resources (Grades Kindergarten - 4)
Science and technology in local challenges (Grades Kindergarten - 4)