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Unit One : MatterLesson (1):Measuring tools
1) complete the following sentences:-
1 kilogram is the unit of measuring .2 Meter is the unit of measuring .
3 A matter has .. and .
4 Ton is the unit of measuring ..
5 Cubic centimeter is the unit of measuring .
6 Measuring tape is used for ..7 Common balance is used for measuring 8 Sensitive balance is used for
9 Graduated cylinder is used for ..
10 Measuring ruler is used for measuring
11 Equal volumes of different materials have different
12 Matters are similar in having .,..
13 The amount of material that the object contains is ...14 ...is used to estimate Volume of Liquids.
15 From units of Mass are &
16 2 Kg = . Grams.
17 Meter is the unit of Measuring .. but (Kg) is the unit of
18 .is used to measure small length, while
measures large length
19 We estimate the Mass of chemical materials & gold by
using ...
20 the Mass of fruit is measured by but mass
of Jewelry by
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2) choose the correct answer :-
1 A stone is put in a jar containing 30 cm3 of water ,water level
raises in the jar up to 50 cm3 , so that the volume of the stone
equals .( 20 cm3 - 50 cm3 - 30 cm3 80 cm3) .
2 your classmate placed a piece of iron into a 50 cm3 beaker filled
completely by water of volume 20 cm3 is poured out the beaker.
The volume of this piece equals ( 20 cm3 - 50 cm3 - 30 cm3 80 cm3 ) .
3 the volume of the matter is measured by ..( cm - cm2 - cm3 ).
4 we can determine the volume of irregular shaped small stone
that doesnt dissolve in water by using ..
( a glass beaker - a measuring cylinder a common balance a
graduated ruler )
5 a pupil placed four marbles of equal volume in a 100 cm3
graduated cylinder containing water. The water level raised up to120 cm3, what is the volume of each marble ?
( 30 cm3 - 25 cm3 - 20 cm3 - 5 cm3 )
3)Define:
1-Matter
2-Mass
3-Volume
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4) Write the scientific term:-
1 Everything that has a mass & occupies a space
[]
2 The amount of matter in an object.
[]
3 The space occupied by matter.
[]
4 A unit of measuring small lengths.[]
5 A device of measuring small mass as gold and silver.
[]
6 A device used to estimate volume of liquids &irregular solid
body. []
7 A unit of measuring small mass.[]
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3) The decrease in the amount of water in a teapot when it is
boiled for some time?
4) Formation of water drops on the outer surface of a bottle filled
with ice?
5) The washed clothes become dry after exposing them to the
heat of the atmosphere?
6) Gaseous matter is compressed and packed in cylinders?
7) A piece of copper has a definite shape when we carry it from a
vessel to another one?
8) The glass bottle which is put in the freezer of the refrigerator
should not be full of water?
9) Salt is solid while oil is liquid?
10) Wood has a definite shape and volume?
11) Air is a gaseous matter?
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12) Oxygen has indefinite shape and volume?
13) Ice change into water if a beaker of ice exposed to air?
3) Write the scientific term:-1.A state of matter that has definite shape &volume
[]2. A state of matter that has indefinite shape &volume.
[]
3. A state of matter that takes the shape of the
container only. []
4. A state of matter that takes the shape & the volume
of the container. []
5. The change of matter from solid to liquid by heating.[]
6.The change of matter from liquid to gas by heating.
[]
7.The change of matter from gas to liquid by cooling.
[]8.The change of matter from liquid to solid by cooling.
[]__________________________________________________
4) What the meant by or Define:-a. Melting.
b. Condensation.
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c. Evaporation.
d. Freezing.
5) Complete:-1) When the solid , it becomes liquid.
2) Water vapor changes into by
3) If a liquid freezes, it becomes 4) ..is the solid state of water.
5) Water condenses if it touches surface.
6)Choose the correct answer:1- the change of the water from the liquid state into ice
accompanied with:( an increase in mass an evaporation an increase
in temperature a decrease in temperature )
2- the change of matter from the liquid state into the gaseous
state is called :( condensation evaporation melting freezing )
3- cooling is accompanied with .process.
( melting condensation evaporation )
4- gold industries need . Process.( condensation evaporation melting cooling
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Lesson (3) : Elements around us
1) Complete the following statement:
1- Iron has ..melting point while sulphur has .melting
point
2- All non metals are ..conductors of and.
except..
3- Cooking pans are made of ...,while the electrodes of
batteriesare made of .
4- Aluminum is a , while carbon is a
5-Metals are at ordinary temperature except non metals
are
6- Elements are classified into and
7- is a liquid metal while .is a liquid non metal
8- Metals have melting point, while non-metals have.
melting point
9- All ..are shiny , while all are not shiny
10- Copper is used in the manufacture of .. , and
..
11- Graphite is a form of a ........element. It is good conductor of
..and it is used in making .of the dry cell
12-.is used in making car frames
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13- At room temperature all metals are solids except..
14-is used in making bridges , while is used in making
electrodes of batteries
15. A gaseous non-metal is ..
16. A liquid non-metal .and while solid non-
metal...and
2) Write the scientific term:
1. Elements that have metallic luster and high melting points.
[]
2. An element used in making foil papers and cooking pots.
[]
3. A non-metal used in making positive pole of the dry cell.
[]
4. The only liquid metal.
[]
5. Elements, which are good conductor of heat and electricity and
have luster.
[]
6. A non-metal that has ability to conduct electricity.
[]
7. Elements that cannot be bend or pulled into shapes of wire.
[]
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8. An element used in making doorknobs.
[]
9. Metallic elements that are used in making jewellery anddecoration of furniture. []
10. The building unit of matter. []
3) Give reason for:
1. Aluminum and copper are used in making network of electric
wires.
2. Car and bridges are made of metal and not made of non-metal.
3. We must not put a nail close to an electric source.
4. Carbon is an element.
5. Sulphur is considered as non metal.
6. Although carbon is a non- metal it used in making electrodes of
the dry cell.
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7. Cooking pans are made of aluminum and not iron.
8. Copper is used making statues and metallic coins
4) What happens if :
1. If we heat an iron nail and a piece of sulphur for the same time.
2. If you connect sulphur crystals with a circuit that has a lighted
lamp.
3. If the handles of cooking pots are made of copper.
4. If we try to shape some sulphur crystals.
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Lesson (4): Physical and Chemical changes
1)Complete the following statements
1-The two kinds of changes that may occur to matter
are.change andchange.
2-The..change is a change in the shape or the appearance of
matter only.
3-Condensation of water vapour into water is a..change,
while paper recycling is a change.
4-Melting of any solid matter as chocolate is a ..change.
5-and..are examples for physical changes.
6-The ..change is a change in the structure of a substance.
7-Grinding a quantity of sugar is a ..change, while burning an
amount of sugar is a .change.
8-Ice turns into water by and water evaporates by
and these two processes are .changes.
9-Iron rusting is a ..change ,while dissolving of table salt in
water is achange.
10-The freezing of molten wax drops is considered a change.
11-Iron rusts when it exposed to .and.
12-Fermenation of fruits produces a new..
13-Wood combustion belongs to change
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14-Adding table salt to water and stirring is considered a .
15-During chemical change, matter lose their .. and
16-Bending of copper to form copper wires is a ..change.
17-Fermintation of fruits produces a new ..with new..
18-Adding yeast in baking is considered a ..change.
19-Cutting bread or a piece of paper is a change.
20-Adding table salt to water with stirring is a .change.
21-Adding sodium bicarbonate to vinegar is a .change
2)Write the scientific term:
1-A change in the appearance or the shape of matter without anychange in its structure [..]
2-A change in properties of a substance, producing a new
substance
[]
3-a chemical change which occurs to iron if we left it exposed towater and oxygen []
4-A change occurs during paper recycling []
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3)Give reason for:
1-Melting of wax or ice is a physical change.
2-Charring of sugar is a chemical change.
3-Iron should be kept in a dry place.
4-Changing flavour of sugar after heating it strongly.
5-Formation of clouds and rains is a physical change.
6-Sugar keeps its flavour after dissolving it in water.
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4)What happens when:
1-We heat a piece of ice strongly.
2-Adding yeast to pastry, then baking it.
3-A bright shiny iron nail is moistened and exposed to air.
5)Classify the changes that happen in the followingcases:
1-Burning a piece of wood.
2-Making a chair from wood.
3-Copper malleability into wires.
4-Rusting of iron.
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5-Grinding a sugar cube.
6-Dissolving sugar in water.
7-Cutting a piece of paper.
8-Fermentation of fruits.
9-Melting of wax.
10-Paper recycling.
11-Production of yoghurt from milk.
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Unit Two: Universe
Lesson (1):Stars and planets
1)Complete the following statements:
1. The sun radiates and
2are in the center of the solar system and there are .
Revolve around it in
3..are shiny bodies, whereare dark bodies.
4. The sun is a , while Jupiter is a ..
5. Sunlight, while the moonthe light
6. Moons follow the ., while the planets revolve around the.
7. .planet has coloured rings around it, while ..is the most
beautiful planet.
8. ..the biggest planet in the solar system, whileis the
biggest body in the solar system.
9. The farthest planet from the sun is., while the nearest
planet is.
10. The space objects that don't emit light areand.
11. .is the coldest planet, while .is the hottest planet
12. The number of stars in the solar system is..............
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2) Write the scientific term:
1. The largest body in the solar system.
[]
2. Celestial bodies that emit heat and light.
[]
3. The area where all the solar system floats.
[]
4. Shiny bodies having different sizes in the vast vacuum.
[]
5. They are the followers of some planets that revolve around
them.
[]
6. The central body in the solar system.
[]
7. The nearest two planets to earth.
[]
8. The farthest planet from earth.
[]
9. The nearest planet to the sun and the smallest planet.
[]
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3) Give reason for:
1. The big stars seem small in size, while the sun appears big.
..............................................................................................................................
..................................................................................
2. The sun is a self- shining body, while the moon is a shiny body.
3. Mercury is very hot, while Uranus is very cold
4. The moon is not a star although it seems shiny.
.
5. Planets and moons have some similar characteristics.
4) Compare between the stars, planet and moons.
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Lesson (2):The rotation of sun and earth
1)Complete the following statements:
1-The apparent movement of the sun is due to the rotation
of
2-The movement of shadow of fixed bodies is due to
3-The Earth rotates around .and around..
4-The Earth rotates around its axis once every.
5-The axis of Earth is
6-The number of hours at day is not equal to the number of hours
at night, because theof the Earth is ..
7-The phenomenon of .results from the rotation of Earth
around its axis.
8-The part of the Earth that faces the Sun is in ............,while
the part of Earth that doesn't face the sun is in
9-The Earth rotates around the sun once everyand this
period is called
10-The inclination of the Earth's axis causes..
11-The sequence of the four seasons occurs due to .
12-The day in the ..season is longer than the day in the
..
13-Earth rotates around the sun once every ..,while itrotates around its axis once every
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14-When the northern hemisphere is near to the sun ,the season in
Egypt ..
15-The apparent movement of the sun means that the
revolve around the ..
16-The rotation of the earth around it's ..axis result
in..
2) Put ( ) or (X ),then correct it:1-The sun doesn't rotate around the earth ( )
2-The movement of shadow of any fixed object exposed to
sunlight is due to the apparent movement of the sun ( )
3-The day is nearly equal to night in summer and autumn seasons
( )
4-We see the sunrise and sunset due to rotation of earth around
the sun ( )
5-The inclination of the earth 's axis causes the difference in
hours of day and night. ( )
6-During the northern hemisphere winter, day and night are equal.
( )
7-During the southern hemisphere summer ,the day is longer than
night. ( )
8-We see the sunrise and sunset due to rotation of earth around
the Sun. ( )
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3)Write the scientific term:
1-A phenomenon occurs when the earth rotates around its axis.
[]2-A phenomenon occurs when the earth rotates around the sun.
[]3-A season in which day is longer than night. []
4-A season in which day is shorter than night. []
5-Time of sunset time of sunrise. []
_______________________________________________
4)What happen when?
1-The earth rotates around its axis.
.
2-The earth revolves around the sun once every year.
..
3-The axis of earth is inclined.
4-The axis of earth is vertical.
5) Give reasons for :
1-The hours of the day are not equal to the hours of night.
..
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2-Sequence of day and night.
..
3-Sequence of the four seasons.
..
4-The apparent rotation of the sun.
..
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Lesson (3): Motion of the Moon
1)Complete the following statement :
1-..is a dark body, but it seems bright as I reflects.
2-Moon rotates around and around in 28 days.
3-The Moon completes its revolution around the Earth in about
, while the Earth completes is revolution around the sun in
about
4-..is a satellite of the Earth.
5-The Moon revolves around Earth in path.
6-The rotation of the Moon around Earth causes...
7-The Moon phases begin with ..
8-The Moon revolves around Earth in .path due to .
force between them.
9-The Moon affects the Earth in some phenomena such as
and
10-Water represents .of the Earth's surface.
11-is the rise of water level in water surfaces to cover
seashores.
12-The rise of water level is high at .of lunar month.
13-is returning of water back to its normal level after the
tide.
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14-.and..are considered benefits of tide and the ebb.
15-The ...is considered the main reason for tides and ebbs.
16-There are attraction forces among .bodies.
17-Water currents resulted from tide and ebb leads to
and
2)Write the scientific term:
1-Celestial body that rotates around its axis and around the earth
every 28 days. [.]
2-The different shapes of the moon as it revolves around Earth.
[.]
3-The phase of the moon at the middle of the the lunar month.
[.]
4-The phase of the moon that is completely dark.
[.]
5-The rise of water level in water surface to cover sea shores.
[.]
6-A phenomenon that occurs in water surfaces, where the moon is
most effective. [.]
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3) Put ( ) or (X ) :
1-The moon is a satellite of the sun ( )
2-The moon rotates around the sun and around its axis every 28
days. ( )
3-The different shapes of moon are called states of moon . ( )
4-The number of moon phases are seven. ( )
5-There is attraction force between earth and moon. ( )
6-The sun is the main reason for the tides and ebbs. ( )
7-Tide is the return back of water to is normal level. ( )
8-Tides occur as a result of attraction between sun and both of
moon and earth. ( )
9-There is repulsion force between the celestial bodies . ( )
10-Water covers about 52% of the total area of earth. ( )
11-At the beginning of the lunar month the moon is crescent. ( )
4)Give reason for:
1-There are phases of the moon.
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2-We do not see the moon after 29 days from its rotation around
the earth.
3-The occurrence of the tide and ebb phenomena.
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Lesson (4):Gaseous envelope and weather
1)Complete the following statements:
1- The most abundant gas in air is
2- ..gas is used in respiration , while .gas is used in
photosynthesis
3- ..gas helps in burning, .........gas decrease the effect of
oxygen gas in burning .
4- Humidity in air depends on the amount of ..gas.
5- Lime water turns .by the effect ofgas.
6-Nitrogen gas is used in .industry, while ..gas is used in
soda water industry.
7- .. is used to measure the atmospheric pressure ,is
used to measure the temperature.
8-The weather forecast are affected by .,
.and
9-An apparatus is used to determine the direction of wind is
the.
9-is used to determine the speed of wind.
10-Air is a mixture of
11-.is used to measure the atmospheric pressure
12-is the temperature expected during day time
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13-and.of sea water forms clouds
14-.causes the movement of air from high atmospheric
pressure to low atmospheric pressure.
2) Write the scientific term:
1-Temperature expected at daytime. [.]
2-The amount of water vapour in air. [.]3-Substance that turns turbid when exposed to carbon dioxide
gas. [.]
4-The expected condition of atmosphere during a short period of
time. [.]
5-A gas that used with acetylene in cutting and welding of metals.
[.]
6-News of temperature ,atmospheric pressure ,winds ,clouds and
rains. [.]
7-One of the air components causes atmospheric humidity.
[.]
8-The most abundant gas in atmospheric air.
[.]
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3) Give reason for:
1-Oxygen gas is necessary for life of living organisms.
2-Although carbon dioxide gas is of low percent in air it is veryimportant.
3-The humidity increase near coastal region.
..
4-Nitrogen gas is found with high percentage in the atmosphere.
5-Lime water turns turbid if left in air for a long period.
6-Carbon dioxide gas is used in extinguishing of fire.
7-Droplets of water are found on the outer surface of a bottlecontaining ice in it.
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4) what happens if and why?
1-Evaporation and condensation of sea water.
2-You left your wet clothes exposed to the sun.
.
3-Atmospheric air doesnt contain carbon dioxide gas.
.
4-Atmospheric air without nitrogen gas.
..
5-Atmospheric air with high percentage of oxygen gas more than
nitrogen gas.
..
6-Atmospheric air without oxygen gas.
..
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