How to draw a cross section?

Lesson 12

Relief describes the shape ( 形狀 ) and height ( 高度 ) of the land.

A drawing ( 圖形 ) which shows a cut through of an object ( 物體 ).

It tells us the relief ( 地勢 ) of a place.

What is a ‘cross section’ ( 橫切面 ) ?

Step 1

Step 2

A B

Step 3

Step 4

Step 5

Step 6

1 2

3

5

6

4

Reminder

Presentation

Cycle 21

18/5/2011 (Day 4)