المساعد الشخصي الرقمي

مشاهدة النسخة كاملة : [اوراق عمل جاهزة] theme6,7



شوقية
26-04-2010, 06:08 PM
Theme 6, 7


The water on earth, understanding energy


1-put (/) for true and(x) for false:


More than half of the earth's surface is covered with land.-1


2-sea water is best for drinking. ( )


3-most of the pollution in rivers and lakes is caused by man.


4- Seas, oceans and rivers are sources of clean water. ( )


5- Glaciers are formed near the rivers. ( )


6-you can do work even if you do not have energy. ( )


7- Energy is available in various forms. ( )


8-fuels have stored energy in them. ( )


9- Sun is an important source of energy. ( )


10- Light energy is the most important form of energy. ( )


11- We need energy to do work. ( )


12- We get energy from food. ( )


13-if a car stops, it has kinetic energy. ( )


14- Work is done when you cannot move the wall. ( )


15- Thunder is a form of sound energy. ( )


2- Name these:


1-several rivers begin from them.------------------


2- water with dirt and germs in it.------------------------------


3- removes dirt from the water.-------------------


4- used to clean the water.-------------------------------------


5-it is required to do work ………………………………………………


6-this form of energy is used by plants to make food ……………………………………………


7-this form of energy is required to make electricity in dams ---------------------------------------------------


8-our body stores energy in the form of it -------------------------------------------------


9-thing are burnt to produce energy ----------------------------


3-Hoe does river water get polluted ?


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4-Describe how water is cleaned before supplying to our house? ---------------------------------------------------------


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5- what do you understand by fuels?Name some common fuels?-----------------------------------------------------------------------------------------------------------------------------------------------------
بسم الله الرحمن الرحيم :(45):

شطورهـ
18-05-2010, 07:19 PM
ثانكس واايد