November Revision 1st Prep Science Past Paper PDF

**The Genius** **in Science** **November Revision** **1^st^ Prep** **First term** **Prepared by** **Dr. Dina Abdul Tawab** **01128970995** **[Write the scientific term:]** 1\. Metal atom that has lost one or more electrons (**Positive ion or Anion**) 2.Nonmetal atom that has gained one or...

**The Genius** **in Science** **November Revision** **1^st^ Prep** **First term** **Prepared by** **Dr. Dina Abdul Tawab** **01128970995** **[Write the scientific term:]** 1\. Metal atom that has lost one or more electrons (**Positive ion or Anion**) 2.Nonmetal atom that has gained one or more electrons (**Negative ion or Cation**) 3\. Elements that are stable as result of their outermost energy levels are completely filled with electrons (**Noble or Inert gases**) 4\. Elements whose atoms tend to lose their valence electrons to reach the Stable electron configuration. of nearest inert gas (**Metals**) 5\. Elements whose atoms tend to gain their one electron of more to reach the stable electron Configuration of nearest inert gas (**Nonmetals**) 6\. Electrostatic attraction between positive ion and negative ion (**Ionic bonding**) 7\. The chemical bond that arises between electrostatic attraction cation and anion. (**Ionic bonding**) 8\. Compounds are formed due to electrostatic attraction between Positive ion and negative ion (**Ionic compounds**) 9\. Compounds have high melting and boiling points and most of them dissolve in water (**Ionic compounds**) 10\. Compounds are their aqueous solutions and their molten can conduct electricity. ((**Ionic compounds**) 11\. Chemical bonding occurs between two atoms of the same nonmetals element or between two atoms of different nonmetal by sharing electrons. (**Covalent bonding**) 12\. The bond which is formed due to sharing pair of electrons of each atoms (**Single covalent bond**) 13\. The bond which is formed due to sharing two pairs of electrons of each atom. (**Double covalent bond**) 14\. The bond which is formed due to sharing three Pairs of electrons of each atom. (**Triple covalent bond**) 15\. Compounds have low melting and boiling points and don\'t dissolve in water. (**Covalent compounds**) 16\. Compounds mostly don\'t conduct electricity (**Covalent compounds**) 17\. The simplest organic Compound (**Methane**) 18\. Atom of element contains four single electrons and has the ability to bond with each other in organic compounds (**Carbon**) 19\. The process of changing two uncharged objects by rubbing two objects together (**Charging by friction or rubbing**) 20\. The Electrical charges that accumulate on the surfaces of objects when they lose or gain electrons (**Static electricity of electrostatic charges**) 21\. Device is used to measure weak electric charges (**coulomb meter**) 22\. The measuring unit of weak electric charges (**coulombs**). 23\. Scientist who formulated inverse-square law (**Charles Coulomb**) 24\. The arrangement of materials according to the easiness of losing electrons when rubbed together (**electrostatic series**) 25\. The charge of higher material on the electrostatic series (**Positive charge**) 26\. The charge of lower material on the series (**Negative charge**) 27\. Type of electric force arises between objects have the same type of electric charges (**Repulsive electric force**) 28\. Type of electric force arises between objects have different electric charges (**attractive electric Force**). 29\. Region of space surrounding an electric charge in which its effect appears (**Electric field**) 30\. Imaginary lines that show the path taken by small free-moving positive charge placed in the electric field (**Electric field lines**) 31\. The process of charging an uncharged object by its contact with charged object (**Charging by Contact**) 32\. Device is used to detect if an object is electrically charged and determine the type of charge on charged object (**electroscope or electric detector**) 33\. A system used to protect structure and buildings from lighting strikes (**Lightning rod**). 34\. Natural rocks that has the ability to attract magnet cut certain metallic objects (**Natural magnet or lodestone**) 35\. Materials that attracts to magnets (**Magnetic materials**) 36\. Materials that aren\'t attracted to magnets (**non-magnetic materials**) 37\. The areas in magnet the attraction force (magnetic force) of magnet is strongest (**Two poles of magnet**) 38\. The area in magnet which the attraction force of magnet decreases (**The middle area of magnet**) 39\. The geographical pole of the Earth which refers to magnetic south pole of the Earth as the Earth act a giant magnet (**The geographical North pole of Earth**) 40\. The geographical pole of the Earth which refers to magnetic north pole of the Earth as the Earth act a giant magnet (**The geographical south pole of Earth**) 41\. Like magnetic poles repel each other, unlike magnetic poles attract each other (**Law of attraction and repulsion**) 42\. The region of space around a magnet where the effect of its magnetic force appears in it (**The magnetic field**). Imaginary Lines represent the force of magnetic field (**Magnetic field Lines**) 43 44\. The mutual magnetic force between a magnet and a magnetic material with its field. (**The attractive force**) 45\. Forces that act on objects over a certain distance without touching (**Field forces**) 46\. Forces that act on objects when they touch each other and they don\'t have field (**Contact forces**) 47\. The scientist who discovered that all material objects in the universe attract each other (**Isaac Newton**) 48\. The Force that pulls all object downward towards the center of the Earth (**Earth\'s gravitational force**) 49\. Lines that represent Earth\'s gravitational Force (**Earth\'s gravitational field Lines**) 50\. The space in which the Earth\'s gravitational force affects material objects, with an attraction force towards the center of the Earth (**Earth\'s gravitational field**). 51\. It is Natural phenomenon that occurs due to the gravitational attraction force between the moon and Earth, causing periodic changes In elevation and recession of water in the seas and oceans (**Tidel phenomenon**). 52\. Regions in space formed due to the collapse of massive star at the end of its life (**Black holes**). 53\. The rotation of any object in space around another central body in curved path due to the gravitational attraction force between them. (**The orbital motion**). 54\. The amount of matter that the object contains (**The mass**). 55\. The gravitational force that earth exerts on the object (**The weight**). 56\. Tool is used to measure the weight (**Newton meter or spring balance**). 57\. The measuring unit of weight (**Newton**). 58\. The basic unit of structure and function in any living organism (**Cell**). 59\. The arrangement of living organisms. into groups based on their similarities and differences to facilitate their study and. Identification (**Classification**). 60\. Undifferentiated cells that have the ability to be transformed and differentiated into all the differentiated cells of the body that perform specialized functions. (**Stem cells**). 61\. Device used to observe unicellular organisms (**light microscope**). 62\. Organisms their bodies consist of single cell and they are unspecialized (**Unicellular or microscopic organisms**). 63\. Organisms their bodies consist of many cells and their cells are differentiated and specialized (**Multicellular organisms**). 64\. Undifferentiated cells with the ability to continuously renew themselves in human (**Stem cells**). 65\. Living organisms can\'t be seen by naked eye (**Microorganisms**). 66.Microorganisms whose genetic material is not surrounded by nuclear membrane ( **prokaryotes**) 67.Living organisms with more complex bodies and whose genetic material is surrounded by nuclear membrane (**Eukaryotes**) **[Complete the following:]** 1.Metal atoms tend to....................... their valence electrons to reach the stable electron configurations of noble gas and convert into.............. ion. 2\. Non-metal atoms tend to................. one electron or more to reach the stable electron configuration of noble gas and converts into................. ion. 3\. The outermost energy level in............. is complete with 8 electrons, except helium. 4\. when an atom converts into ion, the number of.......... remains constant without change. 5\. When an atom converts into ion, the number of....................... changes. 6\. The number of electrons in positive ion is............... than number of protons, while the number of electrons in negative ion is............... than number of protons. 7\. In positive ion carries the number of............. charges equal to the number of.............. electrons. 8\. In negative ion carries a number of............... charges equal to the number of............ electrons. 9\. Among the types of chemical bonding are................... and...................... 10\.........................are neutrally charged because the number of positive charges equals the number of negative charges. 11............. compound reacts with caustic soda (sodium hydroxide solution), while............. compound don doesn\'t react with it. 12\.................... molecule is the simplest molecule of an organic compound. 13\. Methane molecule consists of one carbon atom is bonded four hydrogen atoms through.................................. bonding. 14.If single materials rubbed with a material higher in the series, it becomes............ charged, while if rubbed with material lower in series, it becomes.............. charged 15\. The charge formed on the ebonite rad when rubbed with piece of silk is.............. 16\. The charge formed on the glass rod when rubbed with the piece of silk is................. 17\. In electrostatic plating the object to be plated is charged with..............electric charge, while the paint spray is charged with.................electric charge. 18\. The nearest inert gas to **~17~Cl** , **~16~S** , **~19~K** and **~20~Ca** is................, while the nearest inert gas to ~11~Na , ~7~N, ~8~O and ~9~F is........................... 19.The nearest inert gas to ~3~Li and ~4~Be is........................ 20\. Carbon atoms can be bind each other in organic compounds in the form of...............,..................... and............... 21\. The.............. and.................. of electroscope are made of conductive materials. 22\. The electroscope is known as..................... 23\. The magnetic field lines start from........... pole of magnet and end at the......... pole. 24\. Weak electric charges are measured using a device known as............. and are measured in units of...................... 25\. Electric force lines start from............... charge and end at.................... charge. 26\. The mutual attraction force depend on..................and..................... 27\. Gravitational force is a mutual force between two objects, acting on each of two objects. by............. magnitude but in............... directions. 28\. Gravitational force increases as masses of two objects............., and decreases as the distance between the center of two objects..................... 29\. Tides are at their peak when the moon is either............. or........................ 30\. The weight of an object......................... as its mass increases. 31\. The Earth\'s gravitational field intensity. is approximately................ 32\. The magnitude of the force of gravity in outer............ is.................. 33\. when you move away from Earth\'s center, the Earth\'s gravitational field intensity will.............. 34.When you move closer to the Earth\'s center the gravitational field intensity will........... The living organisms classified according to................... and................... 35. 36.The living organisms divided into................... and............ according to the number of cells. 37.The living organisms divided into............. and............... according to the structure of cells. 38.The cells of unicellular organisms are.............. which means the cells performs all vital process. 39.The cells of multicellular organisms are..............which means cells are vary in the shape and structure. 40.The cells of multicellular organisms are............... which means each group of cells perform specific vital processes. 41.The bacterial, animal and plant cells all share the presence................,................ and ribosomes. 42.The Plant cell share with animal cell the Presence of nucleus,...............and................ 43.The plant cell differs from the animal cell in the presence large vacuole,................. and............ The animal cells differ from the plant cell in the presence of............. and............... 44. 45.The composition of muscular tissue from lang muscle cells allow it to perform the functions of......................and................ 46............... are simple in Structure, small in size and many cell organelles are missing. 47............... may be unicellular or multicellular, relatively large in size and they contain many cell organelles. 48.The ratio of gravitational field intensity on the Earth\'s surface and gravitational field intensity on the moon surface is..........:........... 49\. The divergence of the leaves of the positively charged electroscope............when glass rod rubbed with silk, while The divergence of the leaves of the negatively charged electroscope.............. when wooden rod rubbed with wool and brought close to the disc **[Put (True) or (False) for the following:]** 1.Charging by contact causes electroscope disc and the two gold leaves to acquire different type of charge as the rod( ) 2.When a magnet is suspended freely, it always take a certain direction.( ) 3\. When single magnet is divided into several parts, each part of them forms new magnet two poles( ) 4.The South-seeking pole symbolized by **S**, and marked mainly by blue color ( ) 5\. The North - seeking pole symbolized by **N** and marked mainly by red color ( ) 6\. It is possible to obtain a single (an isolated) magnetic pole solely ( ) 7\. The Natural magnet rock was discovered in magnesia of ancient Greec( ) 8\. Forensic and criminal investigation experts use magnetic brush and iron fillings in criminal investigations to reveal the clear fingerprints ( ) 9\. The Presence of gravitational force between the Earth and sun results in natural phenomenon called tides.( ) 10\. The number of energy level in positive ion is more than the number of energy level in its atom. ( ) 11.The number of energy level in negative is less than the number of energy level ( ) 12\. Ionic bonding occur between two atoms of metal elements or between to nonmetal element ( ) 13\. Most of ionic compounds dissolve in water and have low melting and boiling points( ) 14.The physical state of sodium chloride is gas, while hydrogen chloride is solid ( ) 15\. Ionic bonding produce molecules of compound or element molecules ( ) 16\. Covalent bonding produce only molecule of compounds ( ) 17\. The difference between the elevation and the recessional water in the Bay of Fundy in Canada during tides reaches 19 meters( ) 18\. Tides occur periodically and regularly once daily every 24 hours( ) 19\. Tides used to generate electricity as source of renewable Energy( ) 20\. Tides used to cleanse water bodies From impurities( ) 21\. The electric forces and magnetic forces can be either attractive or repulsive forces site, while gravitational Forces only attractive forces( ) 22\. Every mass of 1 kg on Earth\'s surface is attracted towards its center with a force of approximately 10N ( ) 23\. The weight of body decreases as you approach the Earth\'s center( ) 24\. The magnitude of mass doesn\'t change with changing object\'s position, while the weight change( ) 25\. Prokaryotes can\'t form stem cells because they are composed of single, unspecialized cell ( ) 26.In lighting rod system, its lower end is fixed in the ground and its upper end pointed( ) 27.Neutons aren\'t deflected when they pass in straight line through an electric field because they are neutrally charged. 28.When electrons pass through electric field they are deviated towards the negative plate ( ) 29\. Black holes in the space are formed when massive star collapse at the end of its life ( ) 30.The magnetic field lines crowed together at north pole only ( ) **[Mention the number that indicate the following:]** 1\. The number of electrons is required for bonding between two nitrogen atoms of nitrogen molecule (.............. ) 2\. The number of single covalent bonds in water molecule(................) 3.The number of electrons is required for bonding between two hydrogen atoms of hydrogen molecule (.............) 4.The number of electrons is required for bonding between two oxygen atoms of oxygen molecule (.............) 5.The number of single covalent bonds in methane molecule(................) **[Mention one example of:]** 1\. Ionic bonding (...\..........................................................) 2\. Covalent bonding (.............................................................) 3\. Single covalent bonding (.............................................................) 4\. Double covalent bonding (.............................................................) 5\. Triple covalent bonding (............................................................) **Classify the following materials into magnetic materials and non-magnetic materials:** (Gold-iron- Steel - Aluminum - Cobalt- Copper Silver - Nickel) **non-magnetic materials** **magnetic materials** ---------------------------- ------------------------ **[Compare between:]** The properties of ionic and covalent compounds **covalent compounds** **ionic compounds** ------------------------ --------------------- **Classify the following forces into field forces and contact forces?** ((Electrostatic forces -Magnetic Forces - gravitational forces- friction forces- Collision forces - Elasticity forces) **contact forces** **field forces** -------------------- ------------------ **Classify the following living organisms according to the number of cells:** 1\. lizard (................................) 2. Bat (.................................) 3. Bacteria which cause tonsillitis (............................................) 3. yeast fungus (...........................) 4. Yogurt bacteria(............................) 5\. Mushroom fungus (..........................) 5. Euglena (...........................) 6.corn (.............................) 7. Hedgehog (.........................) **1.Mention examples of Protozoa**............................................................................................................... **2.Mention Examples of orbital motion**................................................................................................................................................................................................................................ **3.Mention the properties of magnetic field lines.**.............................................................................................................................................................................................................................. **4.Mention the function of electroscope**.............................................................................................................................................................................................................................. **5.Mention the impact of gravitational force**.............................................................................................................................................................................................................................. **6.Mention examples of unicellular organisms**............................................................................................................... **7.Mention examples of multicellular organisms**................................................................................................................ **Mention the composition of electroscope 8.**............................................................................................................... **9.Mention the structure of compass**................................................................................................................ **10.Mention the shapes of artificial (industrial) magnets?**................................................................................................................ **11.Mention the mathematical relation between weight and mass**................................................................................................................ **Mention the characteristics of stem cells**.............................................................................................................................................................................................................................. **Mentions the advantages of electrostatic Plating**................................................................................................................ **Determine by drawing the straight, branched chain and Cyclic Structures of Carbon which consist of 4 Carbon atoms.**.............................................................................................................................................................................................................................. **Mention the properties of electric force lines?**.............................................................................................................................................................................................................................. **12. Mention the measuring units of the following:** a\. Force (..........................) b. Mass (.........................) c\. Electric charge (.....................) d\. Gravitational field intensity (.............................) **[13.Mention the impotence for each the following:]** compass a.................................................................................................. b\. Coulomb meter............................................................................................................... c\. Spring balance................................................................................................................ d\. Electroscope................................................................................................................ e\. Lightning rod and its composition................................................................................................................ f\. The dangled metal chain which is connected to fuel tanks and touching the ground................................................................................................................ g\. Electrostatic plating............................................................................................................... **[Determine with drawing:]** 1.electric force lines for positive charge. 2\. electric force lines for negative charge. 3\. electric force lines for two different charges. --------------------------------------------------- --------------------------------------------------------------- ----------------------------------------------------------------- 4\. electric force lines for two similar charges. 5\. electric force lines in two plates with different charges 6\. electric force lines for charged plate and opposite charge. **[Problems]:** 1.Calculate the weight of an object on the Earth and its weight on the moon whose mass equals 6000 g on the Earth\'s surface (Given that the Earth\'s gravitational field intensity = 10 N/ kg............................................................................................................................................................................................................................................................................................................................................................................................................................................................. 2.Calculate the weight of an object whose mass equals 4 kg on the Earth\'s surface (Given that the Earth\'s gravitational field intensity = 10 N/ kg.............................................................................................................................................................................................................................................................................................................................................. 3\. Calculate the mass of an object on the moon whose weight equals 300 N on the Earth\'s surface (Given that the Earth\'s gravitational field intensity = 10 N/ kg)............................................................................................................................................................................................................................................................................................................................................. 4.If an object weighs 20 N on the moon and the Earth\'s gravitational field intensity on Mars is 3.7 N/ kg, Calculate the object\'s weight on Mars. (Given that the Earth\'s gravitational field intensity = 10 N/ kg)............................................................................................................................................................................................................................................................................................................................................. 5.A large box contains a number of small balls of equal masses. Given that: -The mass of one ball is 6 kg. -The total weight of the balls is 600 N -The Earth\'s gravitational field intensity = 10 N/ kg Calculate the number of small balls inside the box............................................................................................................................................................................................................................................................................................................................................................................................................................................................. **[Give reasons for:]** 1.All materials are composed of electrically neutral atoms.............................................................................................................. 2.Covalent bonding may result in formation of molecules of element or molecules of compounds.............................................................................................................................................................................................................................. 3.Ionic bonding molecules of compound only not molecules of elements............................................................................................................................................................................................................................... 4.Hearing slight crackling sound when taking off woolen clothes in winter................................................................................................................ 5.Formation of tide phenomenon............................................................................................................... 6.Formation of black hole............................................................................................................... 7.The rainfall and the falling of the objects towards the Earth............................................................................................................... 8.The mass remains constant, while weight changes by changing the place............................................................................................................................................................................................................................... 9.The weight in outer space become zero............................................................................................................... 10.Steel and nickel are considered as magnetic materials, while copper and gold are considered as nonmagnetic materials............................................................................................................................................................................................................................... 11.Bacteria and Amoeba are classified as microscopic organisms................................................................................................................ 12.Plant and animal cells are differentiated and specialized............................................................................................................................................................................................................................... 13.Bacteria are classified as prokaryotes, while bread mold fungus and protozoa are classified as eukaryotes............................................................................................................................................................................................................................... 14\. An object\'s weight on the moon is less than its weight on the Earth............................................................................................................... 15.The weight on Earth\'s surface is always greater than mass................................................................................................................. 16.Compass box is made of copper or plastic and not iron................................................................................................................ **[What happen ?]** 1.Bar magnet is dipped into iron fillings................................................................................................................. 2.Two different poles of magnet are brought together................................................................................................................. 3\. Two similar poles of magnet are brought together................................................................................................................. 4.When single magnet is divided into several parts................................................................................................................ 5.When magnet is suspended freely from its middle............................................................................................................... 6.The gravitational force, if the mass of object increases................................................................................................................ 7\. The gravitational force, if the distance between of object and the center of the Earth increases................................................................................................................ 8\. The Collapse of massive star at the end of its life...............................................................................................................