Science Department The Egyptian Language School 5 th primary. Revision sheet. 1. The shadow of an object is formed because light travels in

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1 Name : date : Class : Revision sheet Q1: Complete the following sentences: 1. The shadow of an object is formed because light travels in. 2. The image formed through narrow holes is.... And.. 3. Light can easily transmit through.... and.... Materials, but it can t transmit through.. Materials. 4. The prism separates sunlight into light colors called the.. 5. The apple looks red in color because it absorbs all the spectrum colors and reflects the.color. 6. White objects.all color lights. 7. The board looks black because it.. All the spectrum colors. 8. If a white color light hits a banana, it looks in. Color 9. The color of the transparent object has the same color that 1

2 Q 2: Look at the opposite figure then complete: S N N S N S Magnet (A) Magnet(B) Magnet(C) 1. Magnet (A) and magnet (B). each other. 2. Magnet (B ) and magnet (C) each other. Q4: name the equipment used in each of the following 1. Separating white light into 7 colors ( ) 2. Determination the four main geographic directions. (.....) 3. A huge device used in moving iron and steel blocks in factories. (.....) 4. measuring the intensity of electric current (..) 5. supply the factories and cities with electricity ( ) 2

3 Q5: Look at the figure then answer the questions: 1. Name of the device:. 2. It converts energy into energy. 1. Name of the device: It consists of : that spin freely 3

4 Name : date : Class : Revision sheet Q1: Complete the following sentences: 1. The natural magnet is one of the iron ores which is known as and it s. in color. 2. Like poles. each other, while unlike poles each other. 3. Iron and nickel are.. substances, while aluminum and wood are substances because they can't be attracted to magnet. 4. The compass is used to identify the In electric generator (dynamo) the..energy is changed into.. energy. 6. In electromagnet the energy is changed to energy. 7. We can increase the electric intensity in the electric generator (dynamo) by... or. 8. Sugar and are pure substances, but. and are mixtures. 9. Milk is a.. mixture, while muddy water is a.. mixture. 4

5 Q 2:Classify the following objects into magnetic and nonmagnetic materials : Steel paper clips chalk electric wire cobalt rod plastic toy - nail nickel coil cooking pot gold ring Magnetic materials.. Non-magnetic Q3: Choose the correct answer: Q3: Choose the correct answer: 1. To separate the solid materials that is soluble in water such as salt a. filtration process. b. evaporation process. c. separating funnel. d. grinding process. 1. The solvent in chocolate-milk solution is.. a. milk b. chocolate c. sugar d. all previous answers are correct. 3.The process in which solute dissolves in solvent is called.. a. solubility b. solvent c. evaporation d. fusion 4. Decreasing the amount of increase the solubility speed. a. Solute b. solvent c. Heat 5

6 5. All the following factors affect the solubility process except.. a. temperature b. color of solute c. stirring d. type of solute 6. Heating a solution is a method used to the solubility speed a. Increase b. Decrease c. Stop Q7:What happen if : 1- Electric current passes through a wire twisted around a soft iron bar. 2- We move a magnet inside a coil of wire Heating salty water for a long time.. 4- A magnet is hung to move freely Sunlight passes through a glass prism.. 6- Mixing two primary light colors 7- You look at a spoon that is put in a glass half- filled of water 6

7 Name : date : Class : Revision sheet Q1: write the scientific term: 1- The living organism which depends on itself in making food [ ] 2- The strong animal which devours another animal in a food relationship [.] 3- The weak living organism in a predation relationship [.] 4- A temporary food relationship where animals get their food by attacking, killing and devouring other living organisms [ ] 5- The element that the insectivores plants get from the insect's body [.] 6- A self defense way by which a living organism can change its color to simulate the surrounding environment [ ] 7- A phenomenon by which harmless living organism imitate other kinds of harmful organisms to fear their enemies [.] 8- The liquid part in the solutions which is used to dissolve solid substances. [..] 7

8 Q2: Complete the following map: [A] Salty Solution Can be separated by. To give [B] Muddy Mixture Can be separated by.. To give 8

9 Q 3: complete the following statements: 1. Mixing all primary colored lights together gives 2. The fourth light color in rainbow is.., while the sixth color is. 3. The red apple behind a blue glass sheet will look.in color. 4. The red apple behind a red glass sheet will look in color 5. The colored lights that are impossible to be produced by mixing other two colors are called The colored lights that are produced by mixing other two colors are called Mixing red light with green light gives.., while mixing red light with blue light gives. 8. We can get the cyan light by mixing blue light with light. 9. Mixing sand and iron filings can be separated by Oil and water mixture can be separated by. 11. Increasing the amount of solvent solubility speed and. solubility time. 12. Increasing temperature..solubility speed and.. solubility time. 13. Grinding, shaking & stirring..solubility speed and. solubility time. 14. Increasing the amount of solute.. solubility speed and.. solubility time. 9

10 Q5: Give Reason: 1. Formation of image through narrow holes. 2. Frosted glass is a translucent material.. 3. The pen looks broken in a transparent cup of water The rainbow appears in the sky after rainfall Blue light is a primary colored light. 6. Yellow is a secondary colored light When you approach a magnet to some paper clips, the paper clips are attracted to the two poles of the magnet A mixture of sand and iron filings can be separated easily

11 Name : date : Class : Revision sheet ( 4 ) Q 1: mention the kind of the food relationship between: 1- A lion and a deer (..) 2- A cat and a rat ( ) 3- Drosera and insects ( ) 4- Nodular bacteria and beans (.) 5- The sponge and tiny aquatic living organisms ( ) 6- Jawless lamprey and fish ( ) 7- Remora fish and shark fish (..) 8- Mosquitoes and man (.) 9- Bilharzia worm and man (.) 10- Pinicillium and orange fruit (..) 11- Bread mold fungus and moist bread (..) 12- Fungi and dead organisms ( ) Q 2: Give the names of the parasites causing the following diseases : 1- Elephantiasis (.) 2- Malaria (.) 3- Small pox (...) 4- Bilharziasis (...) 5- Anemia (...) 11

12 Q3: Choose the correct answer: 1. Formation of inverted images through narrow holes is due to a. Traveling light in straight lines b. Light reflection c. Light refraction d. Separation of light 2. The nearer object to the light source has the shadow a. Bigger b. Smaller c. Fainted d. All the previous answer. 3. All the following are examples for opaque materials except a. Frosted glass b. Rocks c. Cartoon paper d. Wood 4. The materials don't allow light to pass through a. Transparent b. opaque c. translucent 5- The glass prism separates the white light into.. spectrum colors. a. seven b. six c. eight 6. All of the following can cause a light separation into 7 spectrum colours except a- Mirror b- Rain droplets c- Prism 7. The light colour produced by mixing blue and green light colours is.. a- Yellow b- Magenta c- Cyan 8. Which of the following is considered a non-magnetic material? a. cobalt. b. copper. c. iron. d. steel. 9. The north pole (N) of a magnet points to direction a. East. b. West. c. North. d. South 12

13 10. The coil of a dynamo is made up of wire a. carbon. b. copper. c. sulphur. d. iron. 11. The dynamo changes energy into...energy. a. electric mechanical b. mechanical thermal c. mechanical electric 12. One of the following is not a component of the structure of the dynamo a- Copper wire coil b- Bar magnet c- Battery 15. From the examples of pure substances is.. a- Concrete b- Mineral water c- Table salt 16. To separate the solid materials that is soluble in water such as salt a. filtration process. b. evaporation process. c. separating funnel. d. grinding process. 17. The solvent in chocolate-milk solution is.. a. milk b. chocolate c. sugar d. all previous answers are correct. 18. The process in which solute dissolves in solvent is called. a. solubility b. solvent c. evaporation d. fusion 19. Decreasing the amount of increase the solubility speed. a. Solute b. solvent c. Heat 20. All the following factors affect the solubility process except.. a. temperature b. color of solute c. stirring d. type of solute 13

14 21. Heating a solution is a method used to the solubility speed a. Increase b. Decrease c. Stop Q 4 : classify the following organisms into predators, parasites and decomposers Bacteria ascaris worm a lion lice a snake bread mold fungus jawless lamprey penicillium fungus filarial worm mushroom drosera plant - a fox Predators Parasites Decomposers Q 5 : Circle the odd word, then write the scientific term for others : 1- Wood air water glass [ ] 2- Frosted glass rock tissue paper frosted bulb [.] 3- Human body cartoon paper glass mirror [..] 4- Brown yellow red indigo green [..] 5- Yellow red green blue [.] 6- Magenta blue cyan yellow [ ] 7- Distilled water mineral water baking soda sugar [.] 14

15 8- Shaking filteration grinding stirring [ ] 9- Lion drosera lice wolf spider [. ] 10- Mosquitoes jawless lamprey ascaris worm bugs [.] Q 6 : Choose the factor that affecting the solubility process in each of the following cases Quantity of solvent ( 1 ) Temperature ( 2 ) Amount of solute ( 3 ) 1- Heating a salt solution instead of leaving it in the air [..] 2- Adding one spoons of sugar instead of 6 spoon in some water [..] 3- Adding 300 ml of water instead of 100 ml water to some sugar [..] Q 7 : complete the following sentences : 1- Plants are called because they make their own food through photosynthesis process. 2- In predation, the animal that devours the other living organism is known as... while the devoured animal is known as. 3- The..is a temporary food relationship that ends up by devouring the prey. 15

16 4- The relationship between fungi and organisms dead bodies is an example of.. 5- Plants that feed on tiny insects are known as...plants, such as.. and. 6- Tape worm is a type of..... parasite, while mosquito is a type of. Parasite. 7- Some organisms use or. as a selfdefense method to defend themselves against enemies. 8- During phenomenon, the living organism changes its color to simulate its surroundings environment. 9- In Saprophytism relationship, the saprophytes get their food by decomposing. bodies or Penecillium,.. and are example of saprophytes. 11- In external parasitism, the parasites suck the. of the host and convey to him. 12- Liver worm, and... are from the parasites that live internally inside the host s body. 16

17 Q 8: What happens if? 1- Absence of saprophytes 2- An enemy attacks sepia 3- Introducing rabbits to an island with no natural predators ( enemies ) 4- The legumes plant have no nodular bacteria in their roots. 5- The amount of solute increase 17