prep 1 second term تدريبات منوعة على منهج الترم الثانى ساينس للأول ع لغات مارس2014

شكرا

hgt a;v

سسسس

شكرااااااااااااااااااااااااااااااااااااااا

شكراااااااااااااااااااااااا

جــــــــــــــــزاك الله خيرا

شكرا على هذا المجهود الرائع

مشكووووووووووووووووووووووووور جداااااااااااااااااااا

شكراااااااااااااااااااااااااااااااااا

:الحمد لله: :شكـرا: 

اااااااااااااااااااااا

thanks

مشكوووووووووووور

thank for you

شكرا جزيلا

الف شكر علي المجهود العظيم

thanks for this effort

مشكوررررررررررر

شكرا

مشكووووووووووووووووووووووووووووووووور

روعة

مشكوووووووور

thnkkkkkkkkkkkkkkkkkkkkk

مشكــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــــور

Question1 : Complete the following statements:

1- The filament of the light bulb is made of ……………………………………. And that is because it has
high ………………………………..
2- The light bulb consists of ……………….……..….. , …………………………..……… and …………….……..………….
3- The midpoint in the first class lever is …………………………..…….., while ……………………………… is the
midpoint in the third class levers.
4- The nutcracker is an example of the ................................................ levers.
5- There is a conservation of effort for the first class levers if the ……………………..………… is larger than ……………………………….…………….
Question2 : Correct the underlined words:
1- Wood is considered a good conductor of electricity______________________
2- Fires resulted from electricity are extinguished by water ___________________
3- Manual broom is an example of the first class levers  ___________________
4- Second class levers sometimes conserve effort___________________
5- The electric fire occurs due to the passage of the electric current through the human body___________________
Question3 :
A-Give reason for:

1) Do not place any metallic object inside the electric socket..
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2) Suction pump is a first class lever.
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B-Put (√) or (X) and correct the wrong ones:
1- There is no danger when touching an electric machine with wet hands.                    (     )
2- Soda water opener is a second class lever         (            )
3- Fluorescent lamp contains neon gas.                                                                             (            )
Question4 :Write the scientific term:
1-Levers that have the resistance between the effort force and the fixed point..  (--------------)
2- An inert gas that is used in the electric lamp (--------------)
3- The most popular levers in our daily life.(--------------)
4- Materials not allowing the electric current to pass through them.    (--------------)
5- Away of connection in the electric lamps that is used to decrease the luminous
intensity as their number increases. (--------------)

thanks

:بارك: :تميز:

مشكووووووووووووووووووووور

شكرا