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This two-lesson ESD resource explores the ozone layer, issues surrounding its depletion, the dangers related to sun tanning/exposure to UV radiation, and the effectiveness of sunscreen products.
Lesson One- Is Your Sun Screen Working? (3X60minutes)
Students visit the "Hole In The Zone" website and answer guiding questions concerning the ozone layer, UV radiation, and the causes and dangers of sunburn. They perform an experiment using UV sensitive bacteria to determine the effectiveness of different types of sunscreens. Students then write a summary of their results. Extension activities include creating information pamphlets explaining the dangers of tanning, tips on sun-safety and the different types of skin cancer & treatments.
Lesson Two- Creating a UV Warning Scale (3X60minutes)
After collecting information on the website, students answer questions relating to the ozone layer, its depletion and the problems that UV radiation can cause. They then use a variety of links to explore UV levels in their own area, the minutes of exposure required to cause skin damage, and the dangers of sun tanning. Students create colorful posters to inform the community of daily UV levels, the dangers of each level, and precautions to take to avoid excessive exposure. Students return to the website each day to find UV values and update their posters. Posters are displayed at school and in various locations in the community. They also keep journals to track these values and daily weather conditions. Suggested extension activities include investigating UV levels in other parts of Canada & the world and comparing them to conditions at home. Students can also create informational pamphlets to encourage "ozone-healthy" behaviors.
The following tool will allow you to explore the relevant curriculum matches for this resource. To start, select a province listed below.
|Consideration of Alternative Perspectives||Satisfactory|
An explanation of the science behind ozone depletion and the negative effects of high UV levels on humans are highlighted in this resource. The points of view of the various levels of government, those industries whose release ozone-depleting products, and cancer organizations are not included.
|Consideration of Alternative Perspectives: |
|Multiple Dimensions of Problems & Solutions||Good|
The resource emphasizes that natural hazards which are amplified by human activities can present personal health, and societal challenges.
|Multiple Dimensions of Problems & Solutions: |
Effectively addresses the environmental, economic and social dimensions of the issue(s) being explored.
The resource promotes dialogue and discussion within groups of students. Activities relate environmental, health and social issues.
|Respects Complexity: |
The complexity of the problems/issues being discussed is respected.
|Acting on Learning||Good|
The UV warning poster, which is updated daily in the community could result in some positive changes with regards to sun safety.
|Acting on Learning: |
Learning moves from understanding issues to working towards positive change — in personal lifestyle, in school, in the community, or for the planet
|Values Education: |
Students are explicitly provided with opportunities to identify, clarify and express their own beliefs/values.
|Empathy & Respect for Humans||Satisfactory|
|Empathy & Respect for Humans: Empathy and respect are fostered for diverse groups of humans (including different genders, ethnic groups, sexual preferences, etc.).|
|Personal Affinity with Earth||Good|
|Personal Affinity with Earth: |
Encourages a personal affinity with -the natural world.
|Locally-Focused Learning||Very Good|
|Locally-Focused Learning: |
Includes learning experiences that take advantage of issues/elements within the local community.
|Past, Present & Future||Good|
A brief description of the history of ozone depletion is given. Present day situations are examined and an investigation on the effectiveness of sunscreens is performed. The future would be seen as positive if the students continue to contribute and volunteer their time in promoting and modelling sun safety and ozone-friendly practices.
|Past, Present & Future: Promotes an understanding of the past, a sense of the present, and a positive vision for the future.|
Students are encouraged to discover some of the answers on their own, A combination of structured and guided inquiry is used.
Lessons are structured so that multiple/complex answers are possible; students are not steered toward one 'right' answer.
Although primarily a health and science resource, opportunities for learning in social studies, art and language arts are also present.
|Integrated Learning: |
Learning brings together content and skills from more than one subject area
|Inquiry Learning: |
Learning is directed by questions, problems, or challenges that students work to address.
A variety of activities including scientific inquiry, group and individual research, poster making, modelling and presentations are provided to address both cognitive and affective domains. There are no accommodations or suggestions for students with learning difficulties.
|Differentiated Instruction: |
Activities address a range of student learning styles, abilities and readiness.
|Experiential Learning||Very Good|
|Experiential Learning: |
Authentic learning experiences are provided
|Cooperative Learning: |
Group and cooperative learning strategies are a priority.
|Assessment & Evaluation||Poor/Not considered|
Poor- The resource suggests assessing participation in activities, and evaluating summaries for each lesson. There are no instruments, rubrics, or answer keys provided.
|Assessment & Evaluation: Tools are provided that help students and teachers to capture formative and summative information about students' learning and performance. These tools may include reflection questions, checklists, rubrics, etc.|
|Peer Teaching: |
Provides opportunities for students to actively present their knowledge and skills to peers and/or act as teachers and mentors.
|Case Studies||Poor/Not considered|
There are no case studies included.
|Case Studies: |
Relevant case studies are included. Case studies are thorough descriptions of real events from real situations that students use to explore concepts in an authentic context.
|Locus of Control||Satisfactory|
Extension activities provide opportunities for students to go deeper into chosen issues.
|Locus of Control: Meaningful opportunities are provided for students to choose elements of program content, the medium in which they wish to work, and/or to go deeper into a chosen issue.|