1. UNIT 4 DESCRIBING DIMENSIONS AND PROPERTIES

2. Dimensions ( الأبعاد ) A line has one dimension. An angle has two dimensions. A triangle has three dimensions. The dimensions of an object are its height, length, width, volume, area, etc. A line has one dimension. An angle has two dimensions. A triangle has three dimensions. The dimensions of an object are its height, length, width, volume, area, etc.

3. Using be ( is, are ) The building is 12 meters high. The river is 23 meters deep. The wall is 30 centimeters thick. The room is 4 meters wide. The road is 450 kilometers long. Sentence Pattern ( نمط جملةِ ) Subject + is + (4/6 m,cm,km) + adjective Ex. 1 and Ex.2 (page 30 / 31) H.W. The building is 12 meters high. The river is 23 meters deep. The wall is 30 centimeters thick. The room is 4 meters wide. The road is 450 kilometers long. Sentence Pattern ( نمط جملةِ ) Subject + is + (4/6 m,cm,km) + adjective Ex. 1 and Ex.2 (page 30 / 31) H.W.

4. Exercise 3 1. The Nile is 6,690 km long. 2.The Pacific ocean is…….. 3.The Pacific ocean is…….. 4.The Pacific ocean is…….. 5.Mount Fujiyama is…….. 1. The Nile is 6,690 km long. 2.The Pacific ocean is…….. 3.The Pacific ocean is…….. 4.The Pacific ocean is…….. 5.Mount Fujiyama is…….. Length (long) Width (wide) Height (high) Maximum Depth(deep) the Nile the Pacific Ocean Mount Fujiyama the Amazon 6,690 km 1,4500 km 6,387 km 17,700 m 3,776 m about 2 km 2,066m 50 m

5. Ex.4 The Eiffel Tower 300 meters high 150 meters wide at the base the TV antenna at the top adds 22 meters to the height 1.The Eiffel Tower is 300 meters high. 2.It is 150 meters wide at the base. 3.The TV antenna at the top adds 22 meters to the height.

6. Ex.5 The Riyadh-Dammam Railroad 450 kilometers long built in 1947 Takes four hours to travel 1.The Riyadh-Dammam Railroad is 450 kilometers long. 2.It was built in 1947. 3.It takes four hours to travel from Riyadh to Dammam.

7. Using “have” ( has ) The building has a height of 12 meters. The river has a depth of 23 meters. The wall has a thickness of 30 centimeters. The room has a width of 4 meters. The road has a length of 450 kilometers. Sentence Pattern. X have / has + noun phrase ( العبارة الإسمية ) Ex. 6 (H.W) The building has a height of 12 meters. The river has a depth of 23 meters. The wall has a thickness of 30 centimeters. The room has a width of 4 meters. The road has a length of 450 kilometers. Sentence Pattern. X have / has + noun phrase ( العبارة الإسمية ) Ex. 6 (H.W)

8. Other nouns of dimension The circle has a radius of 4 cm. The circle has a diameter of 8 cm. The circle has an area of 20 m 2. The circle has a circumference of 1 m. The pale has a volume of 5 liters.

9. Exercise 7 2 cm 12.5 cm 5cm 1- The cylinder has the radius of 2 cm. 2- It has the height of 5 cm. 3- It has the circumference of 12.5 cm. 4- It has the volume of 63 cm 3. A 10 cm C B 12 cm 5- The isosceles triangle has the height of 8 cm. 6- It has the area of 48 cm 2. 7- AB has the length of 10 cm. 8cm

10. Alhambra Palace Main wall 78 meters high Length 1,400 meters Built between 1238 and 1358 Called ‘Alhambra’, meaning ‘the red’ in Arabic, because of the colour of the bricks used. The Alhambra is a famous building in Granada, Spain. Its main walls are 78 meters high. Its length is 1,400 meters. It was built between 1238 and 1358. It is called ‘Alhambra’, meaning ‘the red’ in Arabic, because of the colour of the bricks used.

11. The Golden Gate Bridge The main span 1,280 The two towers 227 meters high Road 81 meters above the water at high tide The Golden Gate Bridge is a symbol of San Francisco. Its main span has a length of 1,280 meters. The two towers have the height of 227 meters. Its road has the height of 81 meters, above the water at high tide.

12. Describing Properties  Have (has) pattern. Water has a boiling point of 100 0 C. The car has a speed of 250 km/h. The tank has a capacity of 100 liters. Benzene has a specific gravity of 0.78.  Be (is/are) pattern The boiling point of water is 100 0 C. The speed of the car is 250 km/h. The capacity of the tank is 100 liters. The specific gravity of benzene is 0.78.  Have (has) pattern. Water has a boiling point of 100 0 C. The car has a speed of 250 km/h. The tank has a capacity of 100 liters. Benzene has a specific gravity of 0.78.  Be (is/are) pattern The boiling point of water is 100 0 C. The speed of the car is 250 km/h. The capacity of the tank is 100 liters. The specific gravity of benzene is 0.78.

13. Exercise 10 SubjectVerbDirect objectAdditional Information 1)The car 2)The room 3)Carbon 4)Water 5)Steel 6)Sodium 7)Alcohol 8)Jupiter has 7) a specific gravity of 5) the property of 8) a maximum temperature of 6) a density of 1) a speed of 4) a freezing point of 3) an atomic number of 2) a capacity of 5) resisting corrosion. 4) 0 0 C. 1) 250 km/h 2) 25 students. 8) 800 kg/m 3. 3) 6. 6) 0.971. 7) - 130 0 C.

14. Exercise 12 Mars has a diameter of 6,794 km. The diameter of Mars is 6,794 km. PlanetDiameterMaximum temperature Mars6,794 km. Saturn120,000 km. Jupiter142,745 km. Pluto2,390 km.