Facial Proportions and Expression
Mastering the mathematical relationships of the human face to create realistic portraits and convey emotion.
Key Questions
- Analyze how geometric shapes provide a foundation for complex organic forms in portraiture.
- Compare the impact of subtle changes in facial features on perceived emotion.
- Evaluate the effectiveness of different grid systems for achieving facial symmetry.
National Curriculum Attainment Targets
About This Topic
Genetic engineering explores the cutting-edge techniques used to alter the DNA of organisms. Students learn about the production of insulin from genetically modified bacteria, the creation of pest-resistant crops, and the potential for gene therapy in humans. This topic meets the KS3 Science standards regarding the impact of human activity and technology on living organisms.
This subject is inherently interdisciplinary, touching on biology, ethics, and global economics. It encourages students to think critically about the benefits and risks of scientific intervention. This topic comes alive when students can participate in structured debates or role plays, allowing them to explore the complex social and ethical implications of 'designing' life.
Active Learning Ideas
Role Play: The GM Crop Tribunal
Students take on roles as farmers, scientists, environmentalists, and consumers. They must present evidence for and against the introduction of a new drought-resistant grain in a developing nation.
Collaborative Problem-Solving: Designing a 'Super-Bacteria'
In small groups, students are given a list of 'genetic parts' (e.g., ability to eat plastic, ability to glow in the dark). They must design a modified bacterium to solve a specific environmental problem and present their design to the class.
Think-Pair-Share: The Ethics of Gene Editing
Students are given scenarios involving CRISPR technology, such as curing a genetic disease versus choosing eye colour. They discuss their ethical boundaries with a partner before sharing with the group.
Watch Out for These Misconceptions
Common MisconceptionStudents often think that eating GM food will change their own DNA.
What to Teach Instead
It is important to clarify that our digestive system breaks down all DNA into basic components, regardless of whether it was modified in a lab. Using a 'Lego' analogy for DNA building blocks can help clear this up.
Common MisconceptionThe idea that genetic engineering is 'unnatural' and therefore always harmful.
What to Teach Instead
Structured debates help students see that humans have been 'modifying' organisms for thousands of years through selective breeding. Genetic engineering is a more precise, modern version of this process.
Suggested Methodologies
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Frequently Asked Questions
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Light, Shadow, and Form
Using chiaroscuro and tonal values to create three-dimensional form and mood in portraiture.
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Color Theory in Portraiture
Applying color theory principles to skin tones and backgrounds to enhance psychological impact.
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The Psychological Portrait
Using lighting, color theory, and composition to convey the internal state of a subject beyond their physical appearance.
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