موضوع: مراجعة SCIENCE للصف السادس الابتدائى منهج شهر نوفمبر 2010-12-01, 14:46
عزيزي الزائربعد انتهاء تحميل الصفحة سيظهر
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Question 1-write the scientific term: 1- A device used to measure the temperature. [..... ] 2- Thermometer contains a constriction. [ ..... ] 3- A device used to measure the Temp. Of the human body. [ .....] 4- A device used for measuring temp. Of liquids. [ .....] 5- Materials are used in the handles of cooking pans. [ ......] 6- The temp. of the normal human body. [ .....] 7- The amount of matter in an object. [ .....] 8- A colorless, tasteless & odorless gas and represents 21٪ of air [ .....] 9- The union between O2and most elements which is slow & in the presence of moisture (water) [ .....] 10- The union of O2 and elements which produces light &heat. [ ......] 11- The attraction force of the earth to the body. [ .....] 12- A layer in the atmospheric air protects the earth from harmful radiation. [ ......] 13- Aflame whose temperature reaches 3500ºc, used in cutting &welding metals [ ..... ] 14- A gas compressed in cylinders and is used in diving. [ ..... ] 15- An important matter in life consists of O2 united with hydrogen. [..... ] 16- A substance help in the reaction without changing in its properties or quantity. [.... ] 17- A catalyst help in dissociation of hydrogen peroxide. [ ..... ] 18- A process of the plant result in producing O2 . [ .....] 19- The chemical formula of oxygen molecule. [ ......] 20- A gas has a neutral effect on litmus paper. [ .....] 21- Device is used to measure mass. [ ...... ] 22- Burning of food by oxygen inside body cells to get energy. [ ..... ] 23- Gas represents 78٪ of the air. [.... ] 24- A device is used to measure weight. [ ..... ] 25- Scientific name of oxygen water. [ .....] 26- Gas consists of three oxygen atoms. [ .....] 27- The scientist who considered the zero as the melting point of ice[ ....] 28- The liquid used in making thermometers. [ ] 29- The measurement unit of weight which is almost equal to mass 100 gram. [ ..... ] 30- Materials that let heat flow through. [ ......] 2-G.R.F 1- Ratio of O2 is constant in atmosphere although it is consumed in respiration. 2- The water level in the cylinder rises up with when the candle puts off. 3- Adding manganese dioxide in oxygen preparation. 4- The colour of litmus paper doesn’t change with O2 . 5- Bridges which made of iron are painted. 6- The mass of a piece of cleansing write increases after burning. 7- Mountain climbers carry oxygen cylinders. 8- Using acetylene flame in cutting metals. 9- The Atmosphere has a great importance to the living organisms on the Earth. 10- Mercury is used in making thermometer. 11- Oxygen is created by displacing the water downward in the flask during preparation. 12- Celsius thermometer is named by this name. 13- The presence of constriction in the medical thermometer. 14- You shouldn’t squeeze (press) the thermometer with your teeth. 15- Cooking pots are made of Aluminum. 16- Double glazed windows are used in cold countries. 17- Spaces are left between railways.
3-Complete: 1- The holder of cooking pans is made of ……………………………………….. 2- Oxygen is prepared from …………..in the presence of ……………………… 3- The weight of the body is measured by ………………………………………. 4- Hydrogen peroxide is used in preparation of ………………………………… 5- Oxygen is produced from …………………………….process. 6- From the examples of bad heat conductors …………………………and …… 7- If the weight of a body is 20 Newton, its mass equals …………kg. 8- The graduation of the clinical thermometer is between ……and ……………. 9- In respiration process ……….gas is consumed. 10- Atmospheric air contains oxygen gas in the form of molecules that have the composition (chemical formula) ……….. 11- …………. Thermometer is used in measuring the temperature of the human body. 12- ………thermometer is used in measuring the temperature of the human body. 13- The temperature of normal human body is ……………………. 14- The measuring unit of mass is ……………., while the measuring unit of weight is ……………… 15- If an object's weight on the Earth was 60 Newton so. Its weight on the moon is ……………….. 16- …………. Gas combines with acetylene and used in welding metals. 17- The medical thermometer scale starts at ……… and ends at ……………… 18- The mass is the ………… of matter in an object 19- The fastest metal in conducting heat is ………………………. 20- The handles of cooking pots are made of ……………………. 21- Hydrogen peroxide is used in the preparation of ……….gas. 22- ………..gas is composed of oxygen which have the composition of (O3) 23- ………..gas is compressed in cylinders and it is used in mechanical ventilation in hospitals. 24- The temperature of oxyacetylene flame reaches ………………. 25- Iron rust causes …………to the tools that made of iron. 26- Oxygen gas unites directly with elements forming …………….. 27- Oxygen gas doesn’t burn but it help in …………………………. 28- ……… gas is heavier than air as it replaces air. 29- If the union between oxygen gas and the elements is slowly and in the presence of moisture (water). This process called …………… 30- Bridges are covered with ………… to protect it from resting. 31- Oxygen gas has a …….. effect on litmus paper.
Answers 1- Thermometers 2- Medical thermometer 3- Medical thermometer 4- Celsius thermometer 5- Bad heat conductors [ insulators] 6- 37c 7- Mass 8- Oxygen 9- Oxidation ( rusting of iron) 10- Burning 11- Weight 12- Ozone layer 13- Oxy acetylene 14- O2 15- Water 16- Catalyst 17- Manganese dioxide 18- Photosynthesis 19- O2 20- Oxygen gas 21- Balance scale 22- Respiration process 23- Nitrogen gas 24- Spring scale 25- Hydrogen peroxide 26- O3 (ozone ) 27- Andres Celsius 28- Mercury 29- Newton 30- Good heat conductors G.R.F 1- Because it is produced by the plant through photosynthesis process to compensate the ratio that consumed in respiration. 2- To compensate (replaces) the amount of O2 consumed in the candle burning. 3- To act as a catalyst help in dissociation of hydrogen peroxide to produce O2 4- Because O2 has a neutral effect on litmus paper. 5- To prevent them from erosion by iron rust. 6- Because oxygen combines with iron forming iron oxide. 7- Because oxygen becomes lighter when we have rise above the Earth's surface. 8- Because it's temperature reaches 3500c which is enough to melt metals. 9- Bec. It absorbs the ultraviolet radiation from the space and it adjust the temperature on the Earth's surface. 10- Because * it has a silver colour. • It is good conductor of heat. • It expands regularly so it gives accurate estimation. • It doesn’t stick on the walls of thermometer. 11- Because O2 is scarcely dissolved in water. 12- Because the distance from 0c (the melting point of ice) to 100c (the boiling point of water) is divided into 100 parts. 13-to prevent mercury from returning back quickly to the bulb so we can read the temperature easily. 14- To prevent the breaking of thermometer in the mouth because it is toxic. 15-Because aluminium is good conductor of heat. 16- Because air is bad conductor of heat so it will present the leakage of heat. 17- Because in summer they expand and twist causing accidents.
2023-06-19, 19:57 من طرف 
