Classwork – 16 – 10 – 2012, Tuesday

16 Oct

Science :

How does a Bengal Tiger adapts to catch it’s prey ?

A.  A Bengal Tiger has :

  • Striped fur to camouflage it.
  • Powerful legs to run fast.
  • Forward – facing eyes to see prey.
  • sharp claws to grab and hold prey.
  • Sharp teeth to grip and tear flesh.

How is a rabbit adapted to avoid being eaten by a giraffe ?

A.  A rabbit has :

  • Large ears to hear danger.
  • Powerful legs to run away from prey.
  • Eyes on the side of the head to give 360º  vision.

How do accia plants adapt to avoid being eaten by a giraffe ?

A.  Acacia trees start to produce a bitter chemical when giraffes eat their leaves. Giraffes move to another tree to find one that has not started to produce the chemical yet.

Describe the adaptations of golden eagle which makes it an effective predator ?

A.  A golden eagle has :

  • sharp claws and beaks to grab prey.
  • good eyesight for spotting prey.

Describe how wildebeest is adapted to avoid being eaten by predators such as lions and hyenas ?

A.  A wildebeest has :

  • powerful legs to run away from predators.
  • sharp horns to protect themselves.

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Mathematics :

Q.9  :  2x + 5 = 7 – 2x  :-

A.  = 2x + 2x = 7 – 5

= 4x = 2

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Arabic :

Answers of Questions of Exercise 4, Page 101 :

  1. لأنها تقراً كتاباً.
  2. لأنها لها جارتان في مثل كمرها.
  3. لأن المدينة شديد ضوضاء.
  4. ساعدوهم في المنزل.
  5. لأنهما نظفا المطبخ.
  6. لأنه واجب وفرض.

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