كريم سامح محمد

نتيجة الإختبار - G6 U2 C1 GE

اسم الطالب : كريم سامح محمد

المدينة : كفر الشيخ

Sunday , 8 December 2024 - 02:37 PM

15 من 15

السؤال - 1

As a result of heat flow through metals, they…….

expand.
contract.
get smaller.
are not affected.
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إجابة صحيحة

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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إجابة صحيحة

السؤال - 3

Railroad tracks are made up of...........

glass.
coal.
plastic.
iron.
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إجابة صحيحة

السؤال - 4

The molecule is composed of very small particles called………………..

cells.
atoms.
mixture.
compound.
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إجابة صحيحة

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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إجابة صحيحة

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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إجابة صحيحة

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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إجابة صحيحة

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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إجابة صحيحة

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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إجابة صحيحة

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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إجابة صحيحة

السؤال - 12

Materials …………on heating.

Expand
Contract
compress
does not change
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إجابة صحيحة

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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إجابة صحيحة

السؤال - 14

The temperature............ during the melting of solids.

decreases
Increases
does not change
may increase or decrease
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إجابة صحيحة

السؤال - 15

All of these substances are solids, except ……………..

pen.
Balloon.
soup.
snow.
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إجابة صحيحة