biology g7 tri2-2014

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Subject: Science Strand: Living World Grade: 7

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2

Science

Grade 7

Trimester22013/2014

- .

:

.

.

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Title: Date: / / 2013/:cell :.:

-/Animal cells( ,).

:1./Cell membrane

.:Cytoplasm/.2

.

3./Nucleus

.) (:.)( 4.es:vacuol

.5./ Mitochondria.

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2-:Plant cells-

:/Cell wall-

.-/ Cell membraneNucleus/-Cytoplasm/--/: chloroplasts

-.) (

Vacuole-//Mitochondria-

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The table summarizes the functions or jobs of these parts.

Part Function

Cell membrane Controls what substances can get into and out of the cell.

Cytoplasm

Jelly-like substance, where chemical reactions happen. In

plant cells there's a thin lining, whereas in animal cells

most of the cell is cytoplasm.

Nucleus Controls what happens inside the cell - it is nota 'brain'.

ChloroplastWhere photosynthesishappens

chloroplasts contain a

green substance called chlorophyll.

Vacuole Contains a liquid called cell sap, which keeps the cell firm.

Cell wallMade of a tough substance called cellulose, which

supports the cell.

Animal cells and plant cells bothcontain:

cell membrane

cytoplasm

nucleus

vacuole

Plant cells onlyalso contain:

chloroplasts

cell wall

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Worksheet 01 : Plant and animal cells Date: / / 3102

:1:

2:-:..................................................................................................................................

....................................................................................................................................

2-:..................................................................................................................................

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3-:..................................................................................................................................

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:-4..................................................................................................................................

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:-5..................................................................................................................................

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:-6..................................................................................................................................

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Worksheet 02 : Plant and animal cells Date: / / 3102 :3

:4

1- ).................................( :2-)................................. ( :-3 : ) ..................................(-4: )..................................(: )..................................(-5

Cell wall

Cell membraneNucleus

Cytoplasm Mitochondria chloroplasts Vacuole

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Worksheet 03 : Date: / / 3102 Compare:

Draw a table and compare between plant and animal cells according to the

above diagram.

Similar parts

Plant cell Animal cell

Different parts

Plant cell Animal cell

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Title: Date: / /2013

#:

#:

#:

()-#:

Single-celled Organisms

Multi cellular Organisms

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Specialized Cells:

1-Blood cells

-2muscle cells

3-skin cells

4-bone cells

1-

()2-:

3-guard cells

4-conducting cells

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Worksheet 04 : Specialized Cells Date: / /31021.

...........................................................................................................................................................................

2. ...........................................................................................................................................................................

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...........................................................................................................................................................................

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3. ...........................................................................................................................................................................

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...........................................................................................................................................................................

4.:...........................................................................................................................................................................

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5.

).................................. (

)................................... (

)................................... (

).................................. (

6. ...........................................................................................................................................................................

7. ...........................................................................................................................................................................

8. ...........................................................................................................................................................................

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Worksheet 05: Date: / /31021.

2.-

-2

3-4-5-

6-

7-

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Title: Date: / / 3102 :

1-

1--2

1- 2-

:" "

1-2-

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Worksheet 06 : :1

1-2-...............................

1-............................................................

2-.........................

:" ".................................................................

..................................................................

1-........................................2-.........................................

:2 :-1

.........................................................................................................................................

.-2.........................................................................................................................................

.-3 " " .........................................................................................................................................

4-.........................................................................................................................................

.-5.........................................................................................................................................

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Worksheet 07 : Date: / /3102:1:

1- .........................................................................................................................................

2-.........................................................................................................................................

3- .........................................................................................................................................

4- .........................................................................................................................................

2:.................................... ......................... .............: ......................................................................................................

......................................................................................

.................................... :

1-.........................................................................

2-.........................................................................

: ..............................................................................

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2-

1-

-2""-1 -2

Egg

Sperms

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Worksheet 08 Date: / /3102:1

............................1-

-21-...........................................................-2

Egg..............................................................

Sperms

.........................................................................................

..................................

:2 :1-

.........................................................................................................................................

2- "" ..........................................................................................................................................

.-3.........................................................................................................................................

-4.........................................................................................................................................

.-5.........................................................................................................................................

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Worksheet 09 Date: / /3102:3:

1-"".........................................................................................................................................

2- )")".........................................................................................................................................

3-.........................................................................................................................................

.-4.........................................................................................................................................

:4:.................................... :

1-.........................................................................

2-.........................................................................

: ...........................................................................

................................................................................

.................................... :

.........................................................................

:..............................................................................

..............................

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: 1-

-12-

1-2-

-2

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Worksheet 10 Date: / /3102:1

.....................................................................................

.....................................................................................

-12-

1-...............................................................................

2-...............................................................................

.....................................................................................

.....................................................................................

..........................................................................................................................................................................

..........................................................................................................................................................................

:2 :-1

.........................................................................................................................................

-2.........................................................................................................................................

3-..........................................................................................................................................

-4.........................................................................................................................................

5-..........................................................................................................................................

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Worksheet 11 Date: / /3102::3

1-.........................................................................................................................................

2- .........................................................................................................................................

3- .........................................................................................................................................

4-..........................................................................................................................................

-5.........................................................................................................................................

:4:....................................

: 1-.........................................................................

2-.........................................................................

: 1-.........................................................................

2-.........................................................................

............... ....................:

.........................................................................

....................................................................

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Title: Artificial Organs Date: / / 3102

: ((::

-2-:1-,:

2-:

:-12-

" " 3-:4- ::-5 : " :

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Worksheet 12 Date: / /3102":"

......................................................................................................................................

:21-............................................................................................................................

2-...........................................................................................................................

:3:

:3:()-1-2

( ()(3- () -4 ():4:

..............................................................................................................................................

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Title: Osmosis ( (Osmosis

. )(

:. ) ) ) )

: ) ) ) )

.( ) ( )

. :( ( (

.) ( ) :

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. , :

.

,

,

) ) ( ) .

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.

, ,

.

(, (

. .

,.1 ,,

.2

.,:. 3..4.

5

..

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Title:

.----::

1-.2-.) ) 3-.) ) 4-.) ))-5 ) ) ).- 15-6.

:1-) ) .....................................2-) ) ......................................

:(-1 ..........................................)

...........................................................................................2-) ) .........................................

....................................................................................................................................................................................:

...................................................................................................

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Title: Diffusion( ( :Diffusion

.

-

:: -..-2

-.2-.

: .

- 2-) ( 3-

- 2-) ( -3

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Title: Worksheet Diffusionand osmosis. 7

(6(. .

:

(a) 6. ....................................................................................................................................

....................................................................................................................................

.......................................................................................................................

(b). ..............................................................................

( c). .......... :................

( d). ....................................................................................................................................

....................................................................................................................................

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biology g7 tri2-2014

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