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UNIT 4

UNIT 4. DESCRIBING DIMENSIONS AND PROPERTIES. 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. Using be ( is, are ).

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UNIT 4

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  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.

  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.

  4. Exercise 3 • The Nile is 6,690 km long. • The Pacific ocean is…….. • The Pacific ocean is…….. • The Pacific ocean is…….. • Mount Fujiyama is……..

  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 • The Eiffel Tower is 300 meters high. • It is 150 meters wide at the base. • The TV antenna at the top adds 22 meters to the height.

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

  7. Using“have” ( has ) • The building hasa height of 12 meters. • The river hasa depth of 23 meters. • The wall hasa thickness of 30 centimeters. • The room hasa width of 4 meters. • The road hasa 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 m2. • The circle has a circumference of 1 m. • The pale has a volume of 5 liters.

  9. Exercise 7 8cm 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 cm3 . A 10 cm C B 12 cm 5- The isosceles triangle has the height of 8 cm. 6- It has the area of 48 cm2. 7- AB has the length of 10 cm.

  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 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 hasa boiling point of 100 0C. • The car has a speed of 250 km/h. • The tank hasa capacity of 100 liters. • Benzene hasa specific gravity of 0.78. • Be (is/are) pattern • The boiling point of water is 100 0C. • The speed of the caris 250 km/h. • The capacity of the tank is 100 liters. • The specific gravity of benzene is 0.78.

  13. Exercise 10

  14. Exercise 12 • Mars has a diameter of 6,794 km. • The diameter of Mars is 6,794 km.

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