Yeka Sub City Education Office

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✅20 questions about parts of atoms:

1. Which part of the atom contains protons and neutrons?
A. Electron Cloud
B. Nucleus
C. Proton Shell
D. Neutron Field

2. What charge does a neutron carry?
A. Positive
B. Negative
C. Neutral
D. Variable

3. Electrons are found in which part of the atom?
A. Nucleus
B. Electron Cloud
C. Proton Shell
D. Neutron Field

4. What is the charge of a proton?
A. Positive
B. Negative
C. Neutral
D. Variable

5. Which subatomic particle determines the identity of an element?
A. Proton
B. Electron
C. Neutron
D. Quark

6. What is the overall charge of an atom with equal numbers of protons and electrons?
A. Positive
B. Negative
C. Neutral
D. Variable

7. What is the smallest subatomic particle?
A. Proton
B. Neutron
C. Electron
D. Quark

8. Which part of the atom has the most mass?
A. Proton
B. Neutron
C. Electron
D. Nucleus

9. What holds electrons in orbit around the nucleus?
A. Magnetic Force
B. Strong Nuclear Force
C. Electromagnetic Force
D. Gravitational Force

10. Which subatomic particle is responsible for chemical bonding?
A. Proton
B. Neutron
C. Electron
D. Quark

11. How many protons does an atom of Carbon-12 have?
A. 6
B. 12
C. 18
D. 24

12. Isotopes of the same element differ in the number of which particle?
A. Protons
B. Electrons
C. Neutrons
D. Quarks

13. What is the charge of the nucleus of an atom?
A. Positive
B. Negative
C. Neutral
D. Variable

14. What particles are involved in radioactive decay?
A. Protons and Electrons
B. Neutrons and Electrons
C. Protons and Neutrons
D. Neutrons and Photons

15. What type of bond involves the sharing of electrons between atoms?
A. Ionic
B. Covalent
C. Metallic
D. Hydrogen

16. If an atom has 7 protons and 10 neutrons, what is its atomic mass?
A. 7
B. 10
C. 17
D. 14

17. Why are electrons not considered in calculating atomic mass?
A. They are too small to have mass.
B. Their mass is negligible compared to protons and neutrons.
C. They are outside the nucleus.
D. They have a variable mass.

18. What determines the chemical reactivity of an atom?
A. Number of protons
B. Number of neutrons
C. Arrangement of electrons
D. Total mass of the atom

19. What is the term for atoms of the same element with different numbers of neutrons?
A. Ions
B. Isotopes
C. Molecules
D. Compounds

20. Which subatomic particle is most involved in ion formation?
A. Proton
B. Neutron
C. Electron
D. Photon

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✅ትብብር ለቻናላችን ተከታታዮች በሙሉ

✅በ2017 ዓ.ም  የደጃ/ወንድይራድ 2ኛ ደረጃ ት/ቤት ተማሪ  የሆነችው ቤተልሄም አፈወርቅ ኡርጌ በኢትዮጵያ ብሮድካስቲንግ ኮርፖሬሽን (EBC) በጋዜጠኝነት ወድድር ከ 1731 ታዳጊዎች መካከል ከፍተኛ ተፎካካሪ በመሆን

✅ ምርጥ 30ዎች ውስጥ በመግባት ብቃቷን ያሳየች ተማሪያችን ናት

በመሆኑም ከ1ኛ - 3ኛ ደረጃ ውስጥ ለመካተት የተመልካች ድምፅ ብቻ ስለቀራት የኛን ድጋፍ ስለምትፈልግ

✅ በSMS 800 YA11 ድምፅ በመስጠት እንድትደግፏት በክፍለ ከተማችን እና በመረጃ ምንጫችሁ በሆነው ቻናላችን ስም ጥሪያችንን እናስተላልፋለን!!

☝️እንደማታሳፍሩንም ርግጠኞች ስለሆን ቀድመን እናመሰግናለን👏👏👏👏👏!!

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1.➡️Questions about parts flower?

✍️10 multiple-choice questions about flower parts:Do it!

1. What is the function of sepals in a flower?
a) Photosynthesis
b) Protection of the developing bud
c) Pollination
d) Seed dispersal

2. Which part of the flower contains the ovules?
a) Petals
b) Stamens
c) Pistil
d) Sepals

3. The male reproductive part of a flower is called the:
a) Stigma
b) Style
c) Anther
d) Ovary

4. Which floral structure receives pollen during pollination?
a) Sepals
b) Petals
c) Stigma
d) Ovary

5. What is the main function of petals in a flower?
a) Protection
b) Attraction of pollinators
c) Photosynthesis
d) Seed production

6. The part of the flower that develops into a fruit is the:
a) Stigma
b) Ovary
c) Anther
d) Style

7. Nectar glands in flowers primarily attract:
a) Herbivores
b) Predators
c) Pollinators
d) Parasites

8. The female reproductive organ in a flower is called the:
a) Anther
b) Stigma
c) Ovary
d) Filament

9. Which floral structure contains the pollen grains?
a) Stigma
b) Style
c) Anther
d) Ovary

10. What is the function of the receptacle in a flower?
a) Attracting pollinators
b) Protecting the developing bud
c) Supporting floral organs
d) Producing nectar

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👉የ2017 ዓ.ም የመጀመሪያ ግማሽ አመት የ12ኛ ፣8ኛ እና 6ኛ ክፍል የሞዴል ፈተና ፕሮግራም በአዲስ አበባ!!

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2️⃣0️⃣Common physical quantities along with their corresponding SI units:

✅Length - Meter (m)

✅Mass - Kilogram (kg)

✅Time - Second (s)

✅Electric Current - Ampere (A)

✅Temperature - Kelvin (K)

✅Amount of Substance - Mole

✅Luminous Intensity - Candela

✅Area - Square meter (m2)

✅Volume - Cubic meter (m^3)

✅Speed - Meter/second (m/s)

✅Acceleration - Meter per second squared (m/s^2)

✅Force - Newton (N)

✅Energy - Joule (J)

✅Power - Watt (W)

✅Electric Charge - Coulomb

✅Electric Potential - Volt (V)

✅Electric Resistance - Ohm
(Ω)
✅ Frequency - Hertz (Hz)

✅Pressure - Pascal (Pa)

⭐️Density - Kilogram/ cubic meter (kg/m^3)

✅Our telegram channel

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✅13 questions about insects

1. Which insect is known for its ability to pollinate flowers?
   a) Bee
   b) Ant
   c) Beetle
   d) Grasshopper

2. What is the primary purpose of an insect's wings?
   a) To regulate body temperature
   b) To provide protection
   c) To aid in reproduction
   d) To facilitate flight

3. Which insect undergoes complete metamorphosis during its life cycle?
   a) Cockroach
   b) Dragonfly
   c) Mosquito
   d) Butterfly

4. What is the primary food source for a caterpillar?
   a) Nectar
   b) Leaves
   c) Seeds
   d) Other insects

5. Which insect is known for its ability to produce silk?
   a) Butterfly
   b) Moth
   c) Spider
   d) Beetle

6. What is the name for the specialized mouthparts of a butterfly or moth used for drinking nectar?
   a) Mandibles
   b) Proboscis
   c) Antennae
   d) Palpi

7. Which insect is responsible for the production of wax used in making candles and cosmetics?
   a) Honeybee
   b) Ladybug
   c) Termite
   d) Firefly

8. What is the primary function of an insect's compound eyes?
   a) Detecting sounds
   b) Smelling food
   c) Detecting motion
   d) Regulating body temperature

9. Which insect is commonly used as a biological control agent to manage agricultural pests?
   a) Ladybug
   b) Mosquito
   c) Cricket
   d) Flea

10. What is the term for the process of an insect shedding its exoskeleton to grow?
    a) Metamorphosis
    b) Molting
    c) Camouflage
    d) Hibernation

11. Which insect is known for its ability to produce a powerful sting?
    a) Beetle
    b) Wasp
    c) Fly
    d) Grasshopper

12. What is the primary function of an insect's antennae?
    a) Smelling
    b) Hearing
    c) Tasting
    d) Regulating body temperature

13. Which insect is known for its ability to produce a loud chirping sound by rubbing its wings together?
    a) Grasshopper
    b) Ant
    c) Beetle
    d) Cockroach

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✅የተማሪዎች አለኝታ!

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✅Parts of the ear

⭐️The three main parts of the ear include the outer ear, middle ear and inner ear. Your tympanic membrane (eardrum) separates your outer ear and middle ear.
1️⃣.Outer ear (external ear)
Outer ear is the part of your ear that’s visible and contains glands that secrete ear wax.
✔️Its funnel-shaped canal leads to your eardrum, or tympanic membrane.
2️⃣.Middle ear
The middle ear contain three tiny bones in this area — the malleus, incus and stapes. They transfer sound vibrations to eardrum
✔️The  middle ears also contain eustachian tubes, which help equalize the air pressure .
3️⃣.Inner ear
The inner ear contains two main parts: the cochlea and the semicircular canals.
✔️ Cochlea is the hearing organ. This snail-shaped structure contains two fluid-filled chambers lined with tiny hairs. When sound enters, the fluid inside of your cochlea causes tiny hairs to vibrate, sending electrical impulses to your brain.

✔️The semicircular canals, also known as the labyrinthine, are responsible for balance

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✅ለ12ኛ ክፍል የድጋሜ ተፈታኞች

✅የድጋሚ ተፈታኞች ምዝገባ የሚካሄደው በአገልግሎቱ በተዘጋጀ
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(https://register.eaes.et/Online) ራስ አገዝ መተግበሪያ(private candidates self-registration portal) በመሆኑ በክ/ከተማ ወይም በት/ቤት የድጋሚ ተፈታኞች ምዝገባ ስሌለ ይህንን አውቃቹህ በወቅቱ ተመዝገቡ‼️
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⭐️የ6ኛ ክፍል የመለማመጃ ወርሀዊ ሞዴል ጥያቄዎች

✅አመት 👉👉2015 ዓ.ም

✅ ሴሚስተር👉👉1ኛ

✅ ስርዓተ ት/ት👉በአዲሱ

✅ ክፍል 👉6ኛ

✅ የትምህርት አይነት
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✅አዘጋጅ አብዮት ት/ቤት እና በክላስተሩ ለሚገኙ ትምህርት ቤቶች

✔️ተጨማሪ ጥያቄዎች እንዲለቀቁ ለሌሎች ተማሪዎች  #ሸር ያድርጉ

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⛔️What are the main parts of the flower?

✅1.Peduncle: 👉The stalk of a flower. 

✅2.Receptacle: 👉The part of a flower stalk where the parts of the flower are attached. 

✅3.Sepal: 👉The outer parts of the flower (often green and leaf-like) that enclose a developing bud. 

⭐️4.Petal: 👉The parts of a flower that are often conspicuously colored. 

🪫5.Stamen: 👉The pollen producing part of a flower, usually with a slender filament supporting the anther. 

✅6.Anther: 👉The part of the stamen where pollen is produced. 

✅7.Pistil: 👉The ovule producing part of a flower. The ovary often supports a long style, topped by a stigma. The mature ovary is a fruit, and the mature ovule is a seed. 

⭐️8.Stigma: 👉The part of the pistil where pollen germinates. 

✔️9.Ovary:👉 The enlarged basal portion of the pistil where ovules are produced.

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📩ማሳሰቢያ

✅በ2017 ዓ.ም ለ6ኛ፣8ኛ እና 12ኛ ክፍል ተፈታኞች

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✅የ12ኛ ክፍል ሀገር አቀፍ ፈተና የሚያካትተው ከ9ኛ- 12ኛ ክፍል መሆኑን አውቃችሁ አስፈላጊው ዝግጅት አድርጉ!

✍️በቀጣይ ተጨማሪ መረጃ እናደርሳለን!!

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👍Compound Microscope parts and functions

1️⃣Eyepiece (ocular lens) have a magnification between 5x & 30x.

2️⃣Monocular support that holds & connects the eyepieces to the objective lenses.

3️⃣Arm: Supports the microscope head and attaches it to the base

4️⃣Nosepiece: Holds the objective lenses & attaches them to the microscope head.
5️⃣Base: Bottom base of the microscope

6️⃣Objective lenses: each with different magnification levels. 4x, 10x, 40x, and 100x

7️⃣Specimen or slide: The object used to hold the specimen

8️⃣Stage adjust on most compound microscopes.

9️⃣Stage clips hold the slide in place on the mechanical stage.

1️⃣0️⃣Condenser:  condenses the light

1️⃣1️⃣Coarse and fine adjustment : Adjusts the focus of the microscope.

1️⃣2️⃣Stage Adjusts the position of the mechanical stage

1️⃣3️⃣Mirror: Reflects light into the microscope.

1️⃣4️⃣Diaphragm:used to adjust the amount of light that reaches the specimen .

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🔤."የራስህን የህይወት ዕቅድ ካልቀረፅክ፣ ዕጣ ፈንታህ የሚሆነው በሌሎች እቅድ ውስጥ መኖር ይሆናል።"
#ጂም_ሮን

8️⃣. "ህይወት በራሷ ፣ ምንም ያልተሳለባት ባዶ የሰዕል ሸራ ነች። ስንፈልግ መከራን፣ ስንፈልግ ሐሴትን የምንስልባት ባዶ ሸራ።"
#ኦሾ

🔤“ለመጀመር ትልቅ መሆን አይጠበቅብህም ነገር ግን ትልቅ ለመሆን መጀመር አለብህ፡፡"
#ዚግ_ዚግላር

🔤.“እያንዳንዱ ችግር፣ እያንዳንዱ ውድቀት፣ እያንዳንዱ የልብ ስብራት የእኩል ወይም የላቀ የጥቅም ዘርን በውስጡ ተሸክሟል።”
#ናፖሊዮን_ሂል

🔤."በህይወት ያለህን ነገር ከተመለከትክ ሁልጊዜ ብዙ ነገር ይኖርሃል፤ በህይወት የሌለህን ነገር ብትመለከት መቼም አይበቃህም" 
#ኦፕራ_ዊንፍሬይ

🔤."በሚታይና በሚነካ ነገር ማመን በፍፁም እምነት አይደለም። ባልታየው ማመን ግን  አሸናፊነትና መታደል ነው።" 
#አብርሀም_ሊንከን

🔤"እስከ ነጋ፣ እስከ መሸ፣ እስከ ተነፈስን እዚህ ህይወት ውስጥ እስካለን ድረስ ዘገዬ የሚባል ነገር የለም!"
#ዳግማዊት_ክፍለ

🔤."በህይወት ውስጥ ትልቁ ክብር ያለመውደቅ ሳይሆን በወደቅን ቁጥር መነሳት ላይ ነው።
#ኔልሰን_ማንደላ

🔤.“ደስተኛ የሆነ ሕይወት ለመኖር ከፈለግክ ከሁኔታና ከሰዎች ጋር ሳይሆን ከአላማና እቅድህ ጋር ተጣበቅ።”
#አልበርት_አንስታይን

🔤🔤.“ለመማር ፈቃደኛ ካልሆንክ ማንም ሊረዳህ አይችልም፣ ለመማር ፈቃደኛ ከሆንክ ማንም ሊያስቆምህ አይችልም”
#ዚግ_ዚግለር

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✅ከኬጅ እስከ 12ኛ ክፍል መጽሀፍ ይፈልጋሉ?? ይኸው
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✅የሞባይል ጥገና ማንዋሎችን ይፈልጋሉ??
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20 chemistry multiple-choice questions with their answers:

1. What is the atomic number of carbon?

A) 6

B) 12

C) 14

D) 8
Answer: A) 6

2. Which of the following is a noble gas?

A) Oxygen

B) Nitrogen

C) Argon

D) Hydrogen
Answer: C) Argon

3. What is the chemical formula for water?

A) H2O2

B) H2O

C) O2H

D) H2O3
Answer: B) H2O

4. Which of the following represents a chemical change?

A) Melting ice

B) Dissolving sugar in water

C) Rusting iron

D) Boiling water
Answer: C) Rusting iron

5. What type of bond involves the sharing of electron pairs?

A) Ionic bond

B) Covalent bond

C) Metallic bond

D) Hydrogen bond
Answer: B) Covalent bond

6. What is the pH of a neutral solution at 25°C?

A) 0

B) 7

C) 14

D) 1
Answer: B) 7

7. Which of the following is an exothermic reaction?

A) Photosynthesis

B) Combustion

C) Melting ice

D) Dissolving salt in water
Answer: B) Combustion

8. What is the molar mass of water (H2O)?

A) 16 g/mol

B) 18 g/mol

C) 20 g/mol

D) 14 g/mol
Answer: B) 18 g/mol

9. Which of the following elements is most electronegative?

A) Fluorine

B) Oxygen

C) Nitrogen

D) Chlorine
Answer: A) Fluorine

10. What is the main component of natural gas?

A) Propane

B) Ethanol

C) Methane

D) Butane
Answer: C) Methane

11. What type of reaction is represented by the equation: A + B → AB?

A) Decomposition

B) Synthesis

C) Single replacement

D) Double replacement
Answer: B) Synthesis

12. What is the unit of pressure in the SI system?

A) Atmosphere

B) Pascal

C) Bar

D) Torr
Answer: B) Pascal

13. Which of the following is not a characteristic of acids?

A) Sour taste

B) Slippery feel

C) Turns litmus paper red

D) Reacts with metals
Answer: B) Slippery feel

14. What is the primary gas responsible for the greenhouse effect?

A) Oxygen

B) Carbon dioxide

C) Nitrogen

D) Hydrogen
Answer: B) Carbon dioxide
15. Which type of solution contains the maximum amount of solute that can dissolve?

A) Unsaturated

B) Saturated

C) Supersaturated

D) Concentrated
Answer: B) Saturated

16. What is the product of the reaction between an acid and a base?

A) Salt and water

B) Hydrogen gas

C) Carbon dioxide

D) Alcohol
Answer: A) Salt and water

17. Which of the following elements is a diatomic molecule in its natural state?

A) Helium

B) Sodium

C) Chlorine

D) Carbon
Answer: C) Chlorine

18. Which law states that mass is neither created nor destroyed in a chemical reaction?

A) Law of Conservation of Energy

B) Law of Definite Proportions

C) Law of Conservation of Mass

D) Dalton's Law
Answer: C) Law of Conservation of Mass
19. What is the main purpose of a catalyst in a chemical reaction?

A) Increase the temperature

B) Increase the reaction rate

C) Change the products

D) Decrease the activation energy
Answer: B) Increase the reaction rate
20. What is the process of converting a solid directly into a gas called?

A) Evaporation

B) Sublimation

C) Condensation

D) Melting
Answer: B) Sublimation

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ጥቅምት 11/2017 ዓ.ም

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⭐️12ኛ ክፍል ምርጫ በተመለከተ

✅በ2016 ትምህርት ዘመን የ12ኛ ክፍል ማጠቃለያ አገር አቀፍ ፈተና ወስደው ለትምህርት ሚኒስቴር ተጠሪ በሆኑ የመንግስት ዩኒቨርስቲዎች በመደበኛ እና በ 'Remedial' ፕሮግራም ለመከታተል የሚያስችል ማለፊያ ውጤት ያስመዘገቡ ተማሪዎች የተቋም እና የትምህርት መስክ ምርጫቸውን በየትምህርት ቤታቸው በተወከሉ መምህራን በኩል እስከ መስከረም 30/2017 ዓ.ም ድረስ ሞልተው እንዲጨርሱ መገለጹ ይታወሳል።

✅ይሁን እንጂ " አንዳንድ ትምህርት ቤቶች በሲስተም ችግር ምክንያት የተማሪዎቻችንን የትምህርት መስክ እና የዩኒቨርስቲ ምርጫ መሙላት ተቸግረናል " ባሉት መሰረት የትምህርት ሚኒስቴር የምርጫ መሙያ ጊዜውን እስከ ረቡዕ ጥቅምት 6/2017 ዓ.ም ድረስ ማራዘሙን ትምህርት ሚኒስቴር ገልጿል።

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✋#MoE

👉በ2017 የትምህርት ዘመን የአቅም ማሻሻያ ፕሮግራም (Remedial Program) ለመከታተል የመቁረጫ ነጥብ ተወስኗል።

👉በዚህም በ2016 ዓ.ም የ12ኛ ክፍል መልቀቂያ አገር አቀፍ ፈተና የወሰዱና እንደተፈተኑት የትምህርት አይነት ብዛት 31% ከመቶ እና ከዚያ በላይ ያመጡ ተማሪዎች በሁሉም አማራጮች (በግል እና በመንግስት ተቋማት) የሪሚዲያል ፕሮግራም መከታተል ይችላሉ ተብሏል።

👉በመንግስት ተቋማት ወጪያቸው በመንግስት ተሸፍኖ የሪሚዲያል ፕሮግራም የሚከታተሉ ተማሪዎች የመቁረጫ ነጥብ ዝርዝር ከላይ ተያይዟል።

👉በ2016 ዓ.ም የ12ኛ ክፍል ማጠቃለያ አገር አቀፍ ፈተና ወስደው ለትምህርት ሚኒስቴር ተጠሪ በሆኑ የመንግስት ዩኒቨርስቲዎች በመደበኛ እና በሪሚዲያል ፕሮግራም ለመከታተል የሚያስችል የማለፊያ ውጤት ያመጡ ተማሪዎች የተቋም እና የትምህርት መስክ ምርጫቸውን በየትምህርት ቤታቸው በተወከሉ መምህራን በኩል እስከ መስከረም 30/2017 ዓ.ም ድረስ መሙላት እንደሚችሉ ትምህርት ሚኒስቴር አሳውቋል።

👉በምደባ ወቅት አዎንታዊ ድጋፍ የሚሹ ተማሪዎች ማመልከቻቸውን በ https://student.ethernet.edu.et በኩል ብቻ እንዲልኩ ሚኒስቴሩ አሳስቧል።

Via 👉tikvahuniversity

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✍️የመምህራን ቅጥር ምደባ ማስታወቂያ

አዳስ አበባ ት/ቢሮ

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ቻናላችን ይህ ነው
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