اختبار - science - integrated المتكاملة لغات - اولى ثانوي - مقرر اكتوبر

هذه معاينة نصية للأسئلة للاطّلاع والمراجعة فقط. لخوض الاختبار تفاعليًّا مع تصحيح آلي ونتيجة فورية، اضغط زر «ابدأ الاختبار» أدناه.

1. The ability of the material to flow and not take a fixed shape is one of the properties of
   • أ. Liquid and gaseous materials
   • ب. Solid, liquid and gaseous materials
   • ج. Solid and gaseous materials
   • د. Solid and liquid materials
2. Units of measurement of density
   • أ. g.l -1
   • ب. Kg cm-1
   • ج. g.mm-1
   • د. N.m-3
3. In the opposite figure, two solid cylinders of the same metal and have the same diameter, one of them is longer than the other at the same temperature, so the equal quantity for the two cylinders is
   • أ. Density
   • ب. Volume
   • ج. Mass
   • د. Weight
4. In an experiment to measure the extent of pollution in swimming pool water, two samples B, A were taken at the same time from the swimming pool, their volumes are 40 cm3, 10 cm3 respectively, so it is expected that the ratio of the density of water in sample B to The density of water in sample A is equal to
   • أ. 1/1
   • ب. 2/1
   • ج. 4/1
   • د. The answer cannot be determined
5. If you know that the relative density of mercury is greater than the relative density of alcohol at the same temperature, then the ratio of the mass of 1 cm3 of mercury to the mass of the same volume of alcohol is
   • أ. Greater than one
   • ب. Less than one
   • ج. Equal to one
   • د. The answer cannot be determined
6. The density of pure water reaches its maximum value at
   • أ. 4°C
   • ب. 100°C
   • ج. 104°C
   • د. 0°C
7. The density of pure water in international units at 4°C is equal to
   • أ. 1000kg/m3
   • ب. 1000kg/cm3
   • ج. 1g/cm3
   • د. 1000g/m3
8. What happens to the molecules of pure water when its temperature decreases from 4°C to 0°C
   • أ. Move away from each other
   • ب. Remain constant from its position
   • ج. Its volume decreases
   • د. Approach each other
9. A quantity of pure water has a volume of 20 cm3 at a temperature of 4°C. What is its mass?
   • أ. 20g
   • ب. 100g
   • ج. 200g
   • د. 10g
10. If the volume of 1 kg of pure water at a temperature of 4°C is V1 and the volume of 1 kg of pure water at a temperature of 2°C is V2, then the ratio (V1/V2) is
    • أ. Less than one
    • ب. Equal to one
    • ج. Greater than one
    • د. The answer cannot be determined
11. A quantity of pure water has a mass of 100 g. Its volume at 4°C is
    • أ. 100 cm3
    • ب. Greater than 100cm3
    • ج. Less than 100cm3
    • د. The answer cannot be determined
12. A quantity of pure water has a mass of 100 g,Its volume at 20°C is
    • أ. Greater than 100cm3
    • ب. Less than 100cm3
    • ج. 100cm3
    • د. The answer cannot be determined
13. At what temperature is the cubic meter of pure water has the largest mass
    • أ. 4°C
    • ب. 10°C
    • ج. 25°C
    • د. 80°C
14. At what temperature is the kilogram of pure water has the largest volume
    • أ. 80°C
    • ب. 25°C
    • ج. 10°C
    • د. 4°C
15. A quantity of pure water with a volume of 1m3 at a temperature of 4°C is cooled until it freezes, then the amount of increase in the volume of this quantity when it turns into ice with a density of 917kg/m3 is approximately equal to
    • أ. 0.09m3
    • ب. 0.06m3
    • ج. 0.04m3
    • د. 0.03m3
16. Two samples of pure water and water with dissolved pollutants can be distinguished at the same temperature by measuring
    • أ. The density of each
    • ب. The weight of each
    • ج. The volume of each
    • د. The mass of each
17. Which of the following factors does not directly affect ocean currents?
    • أ. The difference in the types of marine organisms
    • ب. The difference in the temperature of water
    • ج. The difference in water pressure
    • د. The difference in the degree of salinity of water
18. The mass of a unit volume of the substance .......
    • أ. density
    • ب. weight
    • ج. volume
    • د. fluid
19. relative density is the ratio of the density of a certain substance to the density of pure water at the different temperature .
    • أ. False
    • ب. True
20. The hydrometer is used to predict the presence of dissolved pollutants in water by ........ measurement method
    • أ. Density
    • ب. Mass
    • ج. Volume
    • د. Weight
21. Water has unique physical properties that distinguish it from other liquid fluids, including a ...............
    • أ. decrease in its density when the temperature and specific heat are lowered from 4°C to 0°C
    • ب. increase in its density when the temperature and specific heat are lowered from 4°C to 0°C
    • ج. decrease in its volume when the temperature and specific heat are lowered from 4°C to 0°C
    • د. decrease in its density when the temperature and specific heat are higherd from 4°C to 10°C
22. The hydrometer is used to measure the density of liquids and the relative density of liquids
    • أ. True
    • ب. False
23. which of the followings is true
    • أ. When the temperature of pure water increases, the distances between the molecules increase, so the volume increases and the density of water decreases
    • ب. When the temperature of pure water decreases, the distances between the molecules increase, so the volume increases and the density of water decreases
    • ج. When the temperature of pure water decreases, the distances between the molecules decrease, so the volume increases and the density of water decreases
    • د. When the temperature of pure water increases, the distances between the molecules decrease, so the volume decreases and the density of water decreases
24. In liquids with low density, a smaller part of the hydrometer is submerged
    • أ. False
    • ب. True
25. The factors on which the density of the substance depends are....
    • أ. Mass of molecules and Distances between molecules
    • ب. Degree of purity of the substancea and Temperature
    • ج. Distances between molecules
    • د. All of the above
26. Water currents in the oceans are the movement of water from one area to another and carry with it ..........
    • أ. Heat and salt
    • ب. Nutrients
    • ج. Fresh water
    • د. All of the above
27. Relative density has a unit of measurement, while density does not have a unit of measurement.
    • أ. False
    • ب. True
28. What happen When the temperature of pure water rises from 4°C to 10°C relative to its density...
    • أ. The distances between the molecules increase, so the volume of the liquid increases with the constancy of its mass and its density decreases
    • ب. The distances between the molecules decrease, so the volume of the liquid increases with the constancy of its mass and its density decreases
    • ج. The distances between the molecules increase, so the volume of the liquid increases with the constancy of its mass and its density increases
29. In the opposite figure .
    • أ. the density of water at point Y is greater than its density at point X
    • ب. the density of water at point X is greater than its density at point Y
    • ج. the density of water at point Y isequal to its density at point X
    • د. The answer cannot be determined
30. Salinity expresses the amount of salt dissolved in the water, as the normal rate of salinity of ocean water is ............
    • أ. 359/l
    • ب. 359/ml
    • ج. 539/ml
    • د. 953/ml