محمود محسن عبد العزيز
نتيجة الإختبار - G6 U2 C1 GE
اسم الطالب : محمود محسن عبد العزيز
المدينة : كفر الشيخ
Sunday , 8 December 2024 - 07:48 PM15 من 15
السؤال - 1
As a result of heat flow through metals, they…….
expand.
contract.
get smaller.
are not affected.
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السؤال - 2
A metallic rod of 50 metre length was heated at high temperature, its length could reach .... metre after heating.
47
48
49
51
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السؤال - 3
Railroad tracks are made up of...........
glass.
coal.
plastic.
iron.
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السؤال - 4
The molecule is composed of very small particles called………………..
cells.
atoms.
mixture.
compound.
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السؤال - 5
When a thermometer is placed in a cup of iced water, the liquid inside the thermometer ...... due to its ……..
goes down - expansion.
rises up - expansion.
goes down - contraction.
rises up - contraction.
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السؤال - 6
In which state(s) of matter are the molecules move away from each other?
Solid.
Gas.
Solid and liquid.
Solid and gas.
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السؤال - 7
Engineers leave ………between railroad tracks.
small spaces
very large spaces
large spaces
no spaces
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السؤال - 8
Melting point of a substance is the temperature at which……become........
Solid-liquid
liquid - gas
gas - liquid
liquid - solid
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السؤال - 9
On a very hot summer morning, water on the ground may turn into water vapor, this change is called……..
melting.
freezing.
evaporation.
condensation.
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السؤال - 10
When the temperature of a rod of iron is increased,.........
its length increases.
its length doesn't change.
its length decreases to its half.
its length decreases to its quarter.
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السؤال - 11
On boiling water inside a kettle, …………
water particles will move faster.
water particles will move slower.
thermal energy of water will decrease.
thermal energy of water will not change.
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السؤال - 12
Materials …………on heating.
Expand
Contract
compress
does not change
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السؤال - 13
The transformation of gas into liquid is called ……….and the reverse process is called .......
melting - evaporation.
evaporation - condensation.
evaporation - melting.
condensation - evaporation.
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السؤال - 14
The temperature............ during the melting of solids.
decreases
Increases
does not change
may increase or decrease
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السؤال - 15
All of these substances are solids, except ……………..
pen.
Balloon.
soup.
snow.
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