حل امتحان ساينس للشهادة الإعدادية محافظة الإسكندرية الترم الثاني 2026

يبحث الطلاب وأولياء الأمور عن حل امتحان ساينس للشهادة الإعدادية محافظة الإسكندرية الترم الثاني 2026، وذلك بعد أداء طلاب الصف الثالث الإعدادي بمدارس اللغات الاختبار الخاص بنهاية العام الدراسي وسط ترقب شديد لمعرفة الأداء العام وتدقيق توزيع الدرجات المقررة على جزيئات الورقة الامتحانية.

إجابات امتحان ساينس للشهادة الإعدادية محافظة الإسكندرية الترم الثاني 2026

ويوفر شبابيك في السطور التالية حل امتحان ساينس للشهادة الإعدادية محافظة الإسكندرية الترم الثاني 2026، والتي جاء كما يلي 

Part 1: Page 1 Questions & Answers

Complete the following statements:

• Question 1: Most of metal carbonate decomposes when they are heated into ............ and carbon dioxide gas evolves.

  • Answer: metal oxide

• Question 2: The measuring unit of the quantity of electricity is ............

  • Answer: Coulomb

• Question 3: ............ is a part of DNA are present on the chromosomes and carry the hereditary traits.

  • Answer: gene

Chemical Equations:

• Question 4: Illustrate by balanced symbolic equation the following reaction: The effect of heat on red mercuric oxide.

  • Answer:

    2HgOΔ​2Hg+O2​

Mention the importance of:

• Question 5: Catalyst

  • Answer: Changes the rate of chemical reaction and decreases the energy for the reaction.

Give reason for:

• Question 6: Magnesium replaces the hydrogen of dilute acids.

  • Answer: Because it comes before it in the Chemical Activity Series (C.A.S).

• Question 7: Some elements are called radioactive elements.

  • Answer: Because they have excess energy and get rid of it in the form of invisible radiation.

Compare between:

• Question 8: Volt and ampere (only one point).

  • Answer:

    • Volt: measuring unit of potential difference and e.m.f.

    • Ampere: measuring unit of the current intensity.

Put (✓) or (x) in front of the following statements:

• Question 9: Oxidase enzyme found in apple.

  • Answer: (x) Sweet potato

• Question 10: Chromosome is chemically composed of DNA bind with protein.

  • Answer: (✓)

• Question 11: Iron element shares in composing thyroxin hormone.

  • Answer: (x) Iodine

Write the scientific term of each of the following:

• Question 12: The change in the concentration of the reactants and resultants in a unit time.

  • Answer: Speed of chemical reaction

• Question 13: Electric current of variable intensity and direction.

  • Answer: Alternating current

• Question 14: A physical quantity which its measuring unit equivalent to (Volt × Coulomb).

  • Answer: Work

What happen when:

• Question 15: The concentration of the reactants increase during chemical reaction.

  • Answer: Increasing number of molecules exposed to reaction leads to increasing probable collisions, so increase rate of reaction.

• Question 16: Adding acid to alkali.

  • Answer: Forming salt and water by double substitution reaction (NaOH+HCl→NaCl+H2​O).

Part 2: Page 2 Questions & Answers

Choose from Column (B) what is suit from Column (A):

• Question 17: The pancreas gland secretes the ............ hormone.

  • Answer: (b) insulin

• Question 18: The curly hair is a ............ trait.

  • Answer: (c) dominant

• Question 19: Rusting iron are from ............ reaction.

  • Answer: (d) very slow

Choose the correct answer:

• Question 20: On the reaction between sodium and chlorine to form sodium chloride the ............ process occurs to sodium.

  • (a) oxidation | (b) reduction | (c) thermal decomposition | (d) substitution

  • Answer: (a) oxidation

• Question 21: ............ used to control the electric current intensity and potential difference.

  • (a) Ohmmeter | (b) Voltmeter | (c) Ammeter | (d) sliding Rheostat

  • Answer: (d) sliding Rheostat

• Question 22: The traits that transfer from parents to their offspring are called ............ traits.

  • (a) acquired | (b) dominant | (c) hereditary | (d) recessive

  • Answer: (c) hereditary

Mention the name of the hormone:

• Question 23 (a): Regulating the growth of the body as a whole and muscles.

  • Answer: growth hormone

• Question 23 (b): Controlling the Calcium level in the blood.

  • Answer: Calcitonin

Answer the following:

• Question 24 (a): Define the chemical activity series.

  • Answer: Arrangement of metals in descending order according to their activity.

• Question 24 (b): Mention the mathematical relation of Ohm's Law.

  • Answer:

    R=IV​

Correct the underline word:

• Question 25: The reactions of ionic compounds are slower than that of covalent compounds.

  • Answer: Faster

• Question 26: The electric current intensity due to the flow of 2400 coulomb in 5 minutes through conductor = 480 ampere.

  • Answer: 8 Amp

• Question 27: Mendeelev is considered as the founder of heredity.

  • Answer: Mendel

Cross the odd word:

• Question 28: dry cells - batteries - electrochemical cells - dynamo

  • Answer: Dynamo

• Question 29: Cu - Al - Au - Ag

  • Answer: Al

• Question 30: light color hair - narrow eyes - colored eyes - free ear lobe.

  • Answer: free ear lobe

Study the opposite figure (2SO3​Δ​2SO2​+O2​):

• Question 31 (a): After the reaction is over, the concentration of SO3​ is ............ %

  • Answer: Zero %

• Question 31 (b): Curved line (1) represents ............

  • Answer: SO3​

• Question 31 (c): Curved line (2) represents ............

  • Answer: O2​

• Question 31 (d): Curved line (3) represents ............

  • Answer: SO2​

Problem:

• Question 32: You have (3) similar electric cells, the electromotive force of each one is (2 volt) illustrate by drawing how you connect them to get batteries of e.m.f:

  • (a) 2 volt:

    • Answer: Connected all in parallel circuit.

  • (b) 6 volt:

    • Answer: Connected all in series circuit.

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