science primary 5 final revision

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science primary 5 final revision first term 2023

(1) Put (✓) or (x):

1-The soil is not one of the basic needs of the plant.      

2-The length of the door can be measured by the unit of kilogram.

3-Whales and sea turtles can differentiate between their food and pieces of plastics.                       

4-Melting is the change of matter from a solid state to a liquid state.

5-Green plants can grow well in a dark room.

6-A food chain starts with decomposers.

7-Liquid particles move faster than solid particles.

8-Ice is considered a solid state of matter.          

9-Phloem transports food materials downward from the leaves to other parts of the plant.                    

10-A desert food chain does not contain any type of fish.    

11-A model of an airplane shows us how it flies up in the air.   

13-The ability of matter to burn and rust are considered from the <a href="https://gogoacademy.net/science-for-primary-4th-final-revision-for-primary-4/">chemical</a> properties of matter.

14-The plants make their own food by photosynthesis process.

15-Decomposers have an important role in the ecosystem.

16-The roof of a desert home is similar to that of a rainforest home.

17-Wood is a transparent material that is used in making eyeglasses.

18-Changing the shape of a material affects its <a href="https://gogoacademy.net/science-prep-1-final-revision/">mass</a>.       ()

19-Coral bleaching happens when the temperature of seawater increases.()                  

20-A hawk can get its needed <a href="https://gogoacademy.net/science-prep-1-final-revision/">energy</a> directly by eating beetles.   ()

21-Veins return the blood that carries carbon dioxide to the heart. ()

22-Blood moves only in one direction in human’s veins or arteries.()

23-Chemical changes as rust can be reversed easily       ( )

24-Food and oxygen provide the <a href="https://gogoacademy.net/science-prep-1-final-revision/">energy</a> that the body needs.  ()

25-When a matter has extra <a href="https://gogoacademy.net/science-prep-1-final-revision/">energy</a>,it allows the particles to change into different states.          ()

26–Metal rusts due to <a href="https://gogoacademy.net/science-for-primary-4th-final-revision-for-primary-4/">chemical</a> changes that occur to the material.( )

27–Coral bleaching has a positive impact on coral reefs.

28-Cutting wood into pieces changes its <a href="https://gogoacademy.net/science-prep-1-final-revision/">mass</a> and density.

29-A flower is the reproductive part of the plant.          (

30- Plants can grow in a dark room.

31-Phloems are tubes that carry water and nutrients from the roots to the leaves

32-Both the <a href="https://gogoacademy.net/science-prep-1-final-revision/">jellyfish</a> and sea turtle are consumers

33- Gases don’t have a definite shape or volume.   

(2) Correct the underlined words:

1-The plant stem contains tiny holes that allow gasses to pass into the plant.

2- Xylems help plants to get water from the soil.

3- Melting means changing the matter from a liquid state to a gaseous state by heating.

4-A compound is two or more substances that can be separated easily

(3) Complete:

1-The sweet taste of sugar is one of its           properties.

2-The …………..   is the main source for getting <a href="https://gogoacademy.net/science-prep-1-final-revision/">energy</a>.

3-When the food chains interact with each other, they form a ………….

4– Oxygen is a-………matter as it doesn’t have a definite shape or volume.

5– …….gas is produced by the plant during photosynthesis process.

6-Burning of sugar is a ………… change,while dissolving sugar in water is a,,,,,,,,,,,,,,change.

7-The thermometer is used to measure the                

8-Most flowers have a/an  ………stem.

9-You can separate the particles of a mixture of sand and water by …..

10-   is the reproductive parts of many plants.

11- Bacteria and worms are examples of  ……

12-Trees and other plants make food through ………….process.

13-You can separate the particles of ……………  by evaporation.

14-The flower is the ……………..  parts of many plants.

 (4)Complete from the following words

(seabirds – particles – liquid – consumers)

1-Decomposers and  depend on producers to get their energu

2-bulld their nests on the top of mountain cliffs

3-A  matter has a definite volume and it takes the shope of the container.

4-Any matter is made up of millions of tinthat we cont see with our eyes.

(5)(A)Use the following words to complete the statements below:

 (organisms-  particles-  0℃- imbalance – 100℃)

1-When a drought occurs in a lake, it causes ………… in the ecosystem.

2- All matter is made up of            

3- The freezing point of water is  

4- All_       need a source of <a href="https://gogoacademy.net/science-prep-1-final-revision/">energy</a>.

(6) Complete using the words between the brackets:

  (physical-Melting-leaves-chemical-Sun)

1-….. is the change of matter from a solid state to a liquid state.

2-   is the main source of <a href="https://gogoacademy.net/science-prep-1-final-revision/">energy</a> on Earth’s surface.

3-Photosynthesis  ………  is process happens in the plant’s

4-Iron rusting is an example of change.

(7)Give a reason for:

1-A farmer found seeds that are not from the seeds of his farm.

2- Water is liquid.

3- Soil fertility depends on decomposers

4-Snakes are secondary consumers.

5-Xylem vessels are important for the plant.

6-Because they transfer ….  and  … from the roots to the leaves.

7-The roof of the tropical rainforest homes is made of leaves and sticks

8-Birds are secondary consumers

(8)) What happens to:

1-The coral reefs when the temperature of water rises?

2-What happens if: We put a seed of bean in a soil and water it?

3-The eagle if the grass was removed from the area?

(9) What happens if:

1-All primary consumers disappear from a certain food chain?

2- You put a cup of water in the freezer?

(10)Choose the correct answer:

1-Any food chain ends with living organisms that are called      

  a.producers     b.decomposers   c.consumers   d.autotrophic

2-The   carries sugar from the leaves to al plant parts.

  a.xylem       

b.flower    

c.fruit     

d.phloem

3-The    is made up of very tiny particles.

  a.mass    

b.volume   

c.matter  

d.weight

4-Habitat loss causes the  ———– of living organisms.

   a.extinction   b.growth       c.constancy    d.increase

5-To see the components of one blood cell,we need a/an            

a.electron microscope   

b.scale  

c.measuring tape       

d.balance

6-  ………………..are pores on the surface of a plant’s leaves that allow gases to move in and out the plant.

a.Stomata     

b.Xylems    

c. Phloems  

d.Hairs

7-The suitable habitat for microorganisms to survive is             

a.hot water  

b. warm water   

c.cold water   

d.boiled water

8-An example of a gas is ————-.

a.chocolate    

b.rock  

c.pencil 

d.oxygen

9-The green plants can make their own food through the            

a.roots

b.leaves

C. stems    

d.flowers

10-Wind plays an important role in dispersing                  seeds

a.small,light   

b.big,heavy  

c.sticky    

d.floating

11-When you leave a cup of water in the freezer,water will change into a ………………..  state.

a.solid

b.liquid

c. gaseous   

d.a and c

12-Salt can be separated by ——————  the salt water.

a.melting    

b. evaporating    

C.freezing   

d.condensing

13-A substance changes totally into a new substance by —————- change

a.chemical             

b.physical              

c.melting                 

d.breaking

14-The plants use the ………………..to produce their food.

a.sunlight                

b.wind                      

c.batteries              

d.moon

15- A matter consists of                         

a.cells                       

b.proteins               

c.muscles                

d.molecules

15- The measuring unit of <a href="https://gogoacademy.net/science-prep-1-final-revision/">mass</a> is ——————

a.liters                       

b.grams                  

c.centimeters        

d.millimeters

16-Water and nutrients are transported from the roots to the leaves through the            

a.xylem                     

b.phloem                

c.chlorophyll        

d.stomata

17- All the following are consumers,except              

a.hawks                   

b.snakes                 

c.grass                     

d.rabbits

18- The suitable habitat for microorganisms to survive is               water

a.hot              

b.boiled          

c.cold     

d.warm

19-Particles of  ……………vibrate around their place.

a.iron    

b.air        

c.oxygen    

d.water

20-The primary source of <a href="https://gogoacademy.net/science-prep-1-final-revision/">energy</a> for all living organisms on the  Earth the            

 a.Sun               

 b.green plants

c.photosynthesis process      

d.sugar

21-A marine food web usually starts with —————

 a.clams   

b. zooplanktons    

c.parrotfish

d.algae

22-The movement of particles of water are slower than those of ………………

a.wood         

b.plastic      

c. air        

d.gold

23-The volume of one liter of water has the <a href="https://gogoacademy.net/science-prep-1-final-revision/">mass</a> of …………..

a.one gram   

b. one kilogram

c.one millimeter

d.one cm

24-Water and nutrients move up in a plant stem through the              tubes

a.stomata               

b.roots    

c.phloem

d.xylem

25-The —————–  is the first link in any food chain.

a.consumer           

b.producer             

c.decomposer     

d.food web

26-The particles are held together more loosely in the case of the        state

a.solid                        

b.liquid                      

c gaseous              

d.air

27- ……………. is  commonly used to make electrical wires due to its properties.

a.Glass         

b.Wood    

C.Helium      

d.Copper

28-  ……………..  is the solid state of water.

a.Water                   

b.lce                           

c.Steam                    

d. Water vapor

29-All the following factors pollute the water,except             

a.plastic garbage   

b. animals waste

c.sunlight  

d. human waste

30-The plant gets air in the photosynthesis process using its                

a.roots       

b.xylem    

c.phloem  

d.stomata

31-The measuring unit of <a href="https://gogoacademy.net/science-prep-1-final-revision/">mass</a> is                            

a.liters     

b.grams   

c.cm     

d.mL

32- During photosynthesis process, the green leaves take   from the air to make their own food.

a.oxygen gas

b. sunlight

c.carbon dioxide gos    

d.water

33-All the following are producers, except

a.grass    

b.trees   

c. bacteria 

d. algae

34-Flowers produce  ………………  for reproduction.

 a.seeds   

b. stems   

c. leaves    

d.roots

35-To see the components of one blood cell,we need a/an …….

a.measuring tape

b. electron microscope

c.regular microscope scale

36-Food moves down in a plant stem through the  —————–  tubes.

a.stoma  

b.roots    

c.phloem   

d.xylem

37-The              is in the end link of any food chain.d.food web

a.consumer   

b.producer  

c.decomposer

38-The particles are held together more loosely in the case of the ……………… state.

a.solid   

b.liquid     

c.gaseous  

d.air

39-             is commonly used to make electric wires because of properties.

 a.Glass      

b.Wood   

c.Helium   

d.Copper

********

(11) Study the opposite figure and answer:

food chain
food chain

1 This model is called          

2 The <a href="https://gogoacademy.net/science-for-primary-4th-final-revision-for-primary-4/">snake</a> is a          that eats the mouse.

(12) Form a food chain by using the following organisms:

a.Small fish     b.Bacteria    c.Seabirds   d.Microorganisms floating on the surface of the sea

(13)Classify the changes into(physical or <a href="https://gogoacademy.net/science-for-primary-4th-final-revision-for-primary-4/">chemical</a>) changes:

     1-Rusting of iron     2 Cutting wood

(14)Write the scientific term:

1)A part of plants that is responsible for reproduction.

2)It’s a tool that is used to measure the length of a wall.

3)They are materials that have definite volume and they take the shape of the container.

4) It is the final link in a food chain.

(15) Cross out the odd word:

1)Pine trees-Apple trees- Bacteria-Grasses

2)Water-Sunlight-Oxygen-Carbon dioxide

3)Clam- Zooplankton- Algae-Sea urchin

(16)What are the main parts of a plant?

 

(17)Choose from column (A) what suits it in column (B):

(18)How can we separate salt from water?

 

(18)What is the importance of:

Microorganisms for the marine ecosystem?

(19)Mention two methods of seed dispersal.

(20)Mention one example of: 

Liquid state:                   Solid state

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