1.2 Needs

• D&T
• Middelbare school
• havo, vwo
• Leerjaar 1

What do you really need?

1.2 Needs

What do you need to survive?

Important needs: 

• Food and drink
  
• Proctection against cold and heat (shelter)
• Movement
• Take care of yourself 
• Light
• Contact with others
• Relaxation

Same need,

different solutions

Same need,

different solution

Different needs

in a small room

Drawing on scale

What is the meaning of

1: 10 in a technical drawing ?

1. 1 divided by 10
2. 1 cm in reality is 10 cm in the drawing
3. 10 cm in reality is 1 cm in the drawing
4. I have no idea

How to work on scale?

10 cm in reality is 1 cm in the drawing

50 cm in reality is 5 cm in the drawing

200 cm in reality is 20 cm in the drawing

amount of cm in reality =  amount of cm in drawing

10                                                             

Homework next Wednesday

Bring a plastic bottle cap

Do assignment 2, 3 and 4