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T1-L03: Principles of Design & Characteristics

Year 7 Technology Mandatory — Engineering Technologies & Systems — Bridge It
pp. 10–12
Outcomes: TE4-PDP-01 TE4-DES-01 Folio pp. 10–12
Learning Intention
We are learning about the 7 principles of design and how to analyse a product’s aesthetics, function, and purpose.
Success Criteria
  • I can name and describe the 7 principles of design
  • I can explain the difference between aesthetics, function, and purpose
  • I can analyse a product using all three characteristics
  • I can identify the target market for a designed product
Do Now
Quick review — name 3 of the 7 elements of design from last lesson.
#ElementOne word to describe it
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2
3
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Key Vocabulary

Standard: Fill in the definition.  |  Support: Definitions shown in grey — read and copy into your folio.  |  Extension: Use each term in a sentence.

TermDefinitionUse in a sentence (Extension)
Principle A rule or guideline for how to arrange elements of design
Balance Even distribution of visual weight in a design
Contrast The difference between two elements (e.g. light vs dark, big vs small)
Unity When all parts of a design work together as a whole
Aesthetics How something looks; its visual appeal
Function What something does; how it works and performs its job
Purpose The reason something was designed; the problem it solves
Target Market The group of people a product is designed for
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The 7 Principles of Design (Folio p. 10)

For each principle, write a real-world example from your everyday life.

PrincipleWhat it meansYour example
BalanceEven distribution of visual weight
UnityAll parts work together harmoniously
ProportionSize relationships between parts
ContrastDifferences that create visual interest
EmphasisA focal point that draws attention
MovementGuiding the eye through a design
RhythmRepeating elements to create pattern
Activity: Clock & Watch Analysis (Folio pp. 11–12)

Analyse 3 different watches or clocks. For each, describe the aesthetics, function, and target market.

Watch/ClockAesthetics (How it looks)Function (What it does)Target Market (Who is it for?)
🔵 Support — Sentence Starters for Analysis
  1. “This product looks… because…”
  2. “Its main function is to…”
  3. “The target market is… because…”
  4. “I can see the principle of [balance/contrast/etc.] because…”
Word Bank
balanceunityproportioncontrast emphasismovementrhythmaesthetics functionpurposetarget market
🟠 Extension — Product Comparison

Compare two products designed for different target markets (e.g. a kids’ phone case vs a business phone case). How do aesthetics, function, and purpose differ?



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Exit Ticket — Reflection
1. Name 3 of the 7 principles of design and give one example of each.
2. What is the difference between aesthetics and function? Use an example.
3. Who is the target market for a sports watch? How do you know?
Self-Assessment
Success Criteria Got it 🟢 Nearly there 🟠 Need help 🔴
I can name and describe the 7 principles of design
I can explain the difference between aesthetics, function, and purpose
I can analyse a product using all three characteristics
I can identify the target market for a designed product