science primary 5 final revision
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 chemical 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 mass. ()
19-Coral bleaching happens when the temperature of seawater increases.()
20-A hawk can get its needed energy 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 energy that the body needs. ()
25-When a matter has extra energy,it allows the particles to change into different states. ()
26–Metal rusts due to chemical changes that occur to the material.( )
27–Coral bleaching has a positive impact on coral reefs.
28-Cutting wood into pieces changes its mass 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 jellyfish 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 energy.
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 tiny that 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 energy.
(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 energy 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 mass 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 energy 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 mass 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 mass 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:
1 This model is called
2 The snake 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 chemical) 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
