A. This is a room. It's rectangular. The height of the room is 3 m. The room is about 4 m wide. It has a length of 8 m. So, the volume of the room is approximately 96 m3. The room is light. It has two wide windows. The length of the window is 2 m and the width is 1 m. Thus, the area of the window is 2m2.
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. These are blocks , and C. Block A is 4 cm high, 8 cm wide and 11 cm long. Block has a height of 4 cm, a width of 10 cm and a length of 18 cm. Block has the following dimensions: it is 5 cm high, 15 cm wide and 20 cm long. So, the volumes of the blocks are different. Block is larger than block A, but block is the largest.
25. Complete the dialogues.
A
A: What's this?
B:... room.
A: ... it square?
B: No,... rectangular.
A: How wide is...?
B: It's 3m....
A: What... the length of the room?
B: It... 6 m....
A: How... is the room?
B: It... 2 m high.
A So, the volume of the room... approximately....
A: What... these?
B:... blocks , and C.
A: Block A has a... of 5 cm, a... of 6cm, and a... of 7 cm.
B: How... is block B?
A:... 5 cm high.
B: How............. block C?
A: The width... 15 cm.
B: You see, the... of these blocks... different.
A: I quite agree.
Describe the dimensions of your classroom and some objects in it.
Describe the dimensions of the objects.
EXAMPLE: A: How wide is the wall?
B: It's 60 centimetres wide.
A: How long is it?
B: It's 10 metres long.
A: How high is the wall?
B: It's 3 metres high.
28. Choose an object in your classroom and write its description using the following words:
Area, height, length, width, approximately, volume, etc.
29. Describe the dimensions of an object from the box below. Do not mention the object. Let your group mates guess what it is.
EXAMPLE: The length of the object is about 12 m.
The width is about 7 m.
The height is about 5 m.
So the volume of the object is about 420 m3.
What is it? (It is a classroom.)
| a) a desk top | b) a window | e) a door |
| c) a blackboard | d) a drawer | f) an eraser |
VOCABULARY
| 1. | measurements | ||
| 2. | dimensions | , | |
| 3. | wide | ||
| 4. | width | ||
| 5. | long | ||
| 6. | length | ||
| 7. | high | ||
| 8. | height | ||
| 9. | thick | ||
| 10. | thickness | ||
| 11. | deep | ||
| 12. | depth | ||
| 13. | volume | ᒺ | |
| 14. | area | ||
| 15. | approximately |
PART III
WORLD OF TECHNOLOGY
Robots and Machines
1. Discuss these questions.
a) Can you imagine the present life without robots?
b) What is a robot? Do we depend on robots a lot today? Give your reasons.
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The 20th century has produced many important achievements in science and technology. Robots are one of them. In groups list as many spheres of robot application as possible. Compare your list with those of other groups.
3. Read about ASIMO. Is he a toy or is he a real robot?
