Answer the following questions :

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2 Model Answer Exam 1-Cairo Governorate ( ) 1)A) Complete the following statements : 1-oxygen 2-carbon dioxide 3-constant-changeable. 4-brain spinal cord. B) Give reasons for: 1-To keep the nervous system healthy. 2-To prevent return back of mercury to mercury bulb quickly. 2) [A] Choose the correct answer : 1. 1/5 2. wood kg. 4. nitrogen. 5. maintaining the balance of the body. [B] Mention one function for each of the following: 1-To protect the heart and two lungs. 2-To control the involuntary movement such as heart beats. 3-To help the body to move. 3- [A] Write the scientific term. 1. Heat conductors. 2. Thermometer. 3. Nitrogen. 4. Joints. 5.Nerve cell or neuron [B] Mention one use for each of the following : I. plants use carbon dioxide to make food by photosynthesis. 2. To measure the weight of the body. 3.In making thermometer. 4- [A] Put ( ) or( ): [B] Mention one example for each of the following : 1-Skull. 2-Secreting saliva on seeing or smelling good food. Model exam 2-Giza Governorate ( ) 1)A) Complete the following statements : 2

3 1-kilogram- Newton Celisus three oxygen B) Give reasons for: 1- To produce carbon dioxide which expands by heating to make the bread porous and tasty. 2) [A] Choose the correct answer : 1-100grams. 2- nitrogen 3- cerebellum 4- elbow 5- copper 6- oxygen B) Give reasons for: 1- Because it is a liquid metal that can be seen. It is a good conductor of heat and doesn't stick to the walls of the capillary. 3- [A] Put ( ) or( ): [B] Mention one function for each of the following: 1- To protect the heart and two lungs. 2- It is used to measure the weight of any object. 4- [A] Write the scientific term. 1-Heat conductor. 2-spinal cord 3-nerve cell or neuron. 4-Temperature 5-Tendons 6-Nitrogen [B] Put the following labels instead of numbers: 1- Hydrochloric acid. 2- tap. 3-carbon dioxide gas 4 calcium carbonate powder. Model exam 3-Qaliubiya Governorate ( ) 1)A) Complete the following statements : 1-Handle of cooking pots-handle of kettles 2-31 pairs- 12 pairs. 3- Balance- spring. 4- Hydrogen peroxide-manganese dioxide. 2- [A] Write the scientific term: 1-mass 2-joints 3-carbon dioxide 4-Brain. 2-B) Give reasons for: 1- To produce carbon dioxide gas that makes the bread porous and tasty. 2- Because it is good conductor of heat. 3-Because it has constant volume and doesn t change volume by changing temperature. 4-Because it regulates the involuntary processes as heart beats and respiration. 3- [A] What happens to each of the following : 1-The weight decreases. 2-The color doesn t change. 3

4 3-The Earth s temperature increases and harms the climate. 4-It will be harmed. 3- [B] What is meant by : 1- It's the degree of hotness or coldness of a body. 2- It is the involuntary response that the body makes by the nervous system when it is subjected to an external stimulus such as light, heat, etc. 3-The object s mass = 100 grams. 4- [A] Compare between each of the following : 1-Elbow joint is Slightly movable joints and wrist joint is Freely movable joints : 2-The trunk muscle is Voluntary muscles and the gastrointestinal tract muscle is Involuntary muscles: 3-Carbon dioxide gas easily dissolves in water and nitrogen gas is scarcely dissolves in water. 4-Stainless steel is a good conductor of heat and plastic is a bad conductor of heat 4- [A] Choose the correct answer : heavier than air 3- pelvic Model exam 4-Menoufia Governorate ( ) 1)A) Complete the following statements : 1-carbon dioxide 2-weight 3-axial 4-nitrogen. 1)[B] Mention one function for each of the following: 1-It is used to measure mass. 2-Avoid mercury from returning back quickly to the bulb in order to read the temperature. 3- It maintains the balance of the body during movement. 2- [A] Write the scientific term: 1-heat conductors 2-manganses dioxide 3-spinal cord 4-ozone 2- [B] What happens to each of the following : 1-no life on the Earth s surface. 2-The shoulder joints move in one direction. 3- Nail rusts. 3- [A] Choose the correct answer : 1- from hand to ice 2-10pairs 3- all the previous 4- fatty 3-B) Give reasons for: 1- To protect them. 2- Because moon s mass is less than the Earth s mass. 3- To connect the muscle with the bones. 4- [A] Put ( ) or( ):

5 4- [B] I-Compare between : Voluntary muscles They are the muscles that can move willingly and can be controlled. involuntary muscles They are the muscles that can move automatically and you can't control or even be aware of their movements. Examples: Limb muscles Trunk muscles Face muscles Abdominal wall muscles Examples : Gastrointestinal tract Bladder muscles Blood vessels 2- Carbon dioxide gas easily dissolves in water and nitrogen gas is scarcely dissolves in water. II-weight on Earth= mass x 10= 6 x 10 = 60 Newton. Weight on moon =weight on Earth x 1/6 = 60 x 1/6 = 10 Newton. Complete: 1-spring scale. 3-wood and plastic Model Exam(5) 2-manganese dioxide 4-two oxygen-ozone. 5-iron oxide 6-expand-contract. 7-netural. 2-a-Write scientific term: Kilogram. 2-heat conductors 3-constriction. 4-dust and smoke 5-mass. 3-a- Give reason for 1-Because it is a liquid metal that can be seen. It is a good conductor of heat and doesn't stick to the walls of the capillary. 2-Due to photosynthesis process. 3-b- Correct the underlined words: 1-Alcohol 2-Atmosphere 3-c-Mention the use of: Cutting and welding of metals. 4-a-1-Weight on Earth=mass x 10= 3 x 10= 30 Newton Weight on moon=mass x 1/6x10= 3 x 1/6x10= 5 Newton 5

6 5- mass on the moon= 3kg 4-b- Choose: 1-b 2-a 3-c 4-c- Compare: Scale of Celsius thermometer Scale of medical thermometer 0oC to100oc 35oC to42oc Example of burning Burning of cleansing wire Example of oxidation Iron rusting Model exam 6-El-Gharbia Governorate Answer the following questions: 1) [A] Complete the following statements : 1- of the air 2-12 pairs-31 pairs. 3- Balance scale-spring scale. 4- Iron copper. [B] Compare between each of the following: P.O.C. Medical thermometer Celsius thermometer (1) Range of scale 35 0 C-42 0 C 0 o C-100 o C (2) Usage it used to measure the human body temperature. 6 It used to measure the temperature of liquid. 2) [A] Give scientific term for the following : 1-Ozone gas. 2-Oxy-acetylene flame. 3-cartilage. 4-Spinal cord. [B] 1-a-Tasteless,colourless and odorless. b- It doesn t burn and doesn t help in burning. c- It scarcely dissolves in water. 1- a-manganese dioxide. b-hydrogen peroxide c-oxygen gas. 3)[A] 1-Nerve cell. 2-Dendrities 3-Axon terminal. [B] 1-weight 2-White 3-plastic or wood. 4)[A] 1-c 2-d 3-d 4-b [B] 1-Because the gravity of the Earth is more than the gravity of the moon. 2-Because it controls the involuntary movement of the body as heart beats and respiration.

7 Model exam 7-Monifinia Governorate El-Minia Educational Directorate Answer the following questions: 1) Complete the following statements: 1-balance scale-spring scale. 2-iron copper. 3-brain medulla oblongata. 4-the boiling point of water-melting point of ice or freezing point of water. 5-12pairs-33 vertebrae. 2)[A]1-Cerebellum. 2-Nitrogen. 3-Tendons. [B] 1-60Kg 2-60x10=600 Newton. 3)[A] 1-oxygen 2-1-manganese dioxide 2-water 3-oxygen 4-hydrogen peroxide. [B]1-It will produce carbon dioxide gas which expands by heating giving porous and tasty bread. 2-It will harm the locomotory system. 4) 1-Temperature 2-Neuron. 3-Mercury 4-carbondioxide 5-ozone. Model exam 8-Assiut Governorate Complete the following statements : 1-balance scale spring scale pairs -31pairs. 3-wood plastic C-420C 5-hydrogen peroxide manganese dioxide. 2)[A]1-c 2-d 3-d 4-a [B] Refer to the booklet. 3)[A] 1-Thermometer 2-Nitrogen 3-Oxy-acetylene 4-Joints. [B]1-To protect the brain. 2-To measure the temperature of the liquids. Assuat Educational Directorate 4)1-To produce carbon dioxide which expands by heating giving porous and tasty bread. 2-Because it is good conductor of heat. 3-Due to its constancy of the volume of the tires by changing temperature. Model exam 9-Sobag Governorate Educational Directorate Answer the following questions: A-Complete the following statements with suitable words: 1-planet where it exists-object s mass- distance away from the center of earth. 2-wood plastic C-420C. [B] 1-Because it is scarcely dissolves in water. 2-Because it doesn t burn and it doesn t help in burning. 7

3-Due to reflex action. 2)[A]1-Copper 2-mercury. 3-helps 4-slightly 5-cell body. [B] Weight = mass x gravity=6x10=60newton. Weight on moon=1/6 x weight on earth.=1/6x60=10 Newton.

8 3-Due to reflex action. 2)[A]1-Copper 2-mercury. 3-helps 4-slightly 5-cell body. [B] Weight = mass x gravity=6x10=60newton. Weight on moon=1/6 x weight on earth.=1/6x60=10 Newton. 3)a- 1-central nervous system. 2-Joints. 3-Heat conductors 4-Balance scale. 5-Ozone gas. b- 1-It will rust. 2-The nervous system will be harmed. 4)a- 1-c 2-a 3-a 4-b b- 1-The main component of the protein. 2-It used to measure the temperature of liquid. 3-To help them to make their food by photosynthesis process. 8

Hyndland Secondary School Biology Department

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