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PHYSICAL SCIENCE CL ASS 8

PHYSICAL SCIENCE

CLASS 8

FREE

SCERT TELANGANA

(2)

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(3)

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TELANGANA

(4)

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(5)

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TELANGANA

(6)

SCERT

TELANGANA

(7)

SCERT

TELANGANA

(8)

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(9)

SCERT

TELANGANA

(10)

SCERT TELANGANA

(11)

SCERT TELANGANA

(12)

SCERT

TELANGANA

(13)

(Knob)

1

Identifying Pull or Push

1

Force

1

SCERT TELANGANA

(14)

1

1

2

3

4

5

6

SCERT TELANGANA

(15)

2 (b) 1 (a)

(a)

(Contact Force)

(b)

magnetic force 1

2

2-

SCERT TELANGANA

(16)

(Field force)

2 3

(Gravitational Force) 3

SCERT TELANGANA

(17)

m

(a)

(b)

4 -

(magnetic field)

4 -

11

(Magnetic

Field)

SCERT TELANGANA

(18)

(lines of force)

Contact forces

1

5

5

2

2 -

1 2 3 4 5 6

SCERT TELANGANA

(19)

6

dumbbell

2 7

8

(Tray)

6

SCERT

TELANGANA

(20)

6 -

7 -

(Normal Force) 3

8

SCERT TELANGANA

(21)

8

(Equilibrium)

(Tension)

4

9 ( te ns i on )

10-

10

1- 50

9 - 10 -

11 -

SCERT TELANGANA

(22)

2-

B A

B A

(Net Force)

)

(

9 -

12(a)

12 (a)

SCERT TELANGANA

(23)

12(b)

12 (b) -

12(c)

12 (c) - 13 -

+ (-)

>

10 -

SCERT TELANGANA

(24)

14 - F

F

newton (N) SI

(free body diagram-FBD)

(FBD)

FBD Y X 15

Y X

Y X

15 FBD

F f

N2 N1

W = Fg

X

F

net,x

= F - f

Y

FBD W

F

f N1

N2

X axis

Y axis

SCERT TELANGANA

(25)

11 -

(16a)

(16b)

16(a)

16(b)

12 -

17 -

SCERT TELANGANA

(26)

13 -

3

P T

3

(Pressure) 14 -

18 -

SCERT TELANGANA

(27)

(Pressure)

= (P)

N/m2 S I

15 -

(effects of force)

19(a) - 19(b) 19a

1 9 b

19a

19b

(F) (A)

SCERT TELANGANA

(28)

(FBD)

SCERT TELANGANA

(29)

(AS1) 1

(AS1) 2

(AS1) 3

(AS5) (FBD) 4

(AS1) 5

(AS1) 1

(AS1) 2

(FBD) 3

(AS5)

(AS4) 20m2 4

(AS4) 5

1 (AS1)

(AS1) 2

b a

8N

10N

12N 8N 8N

8N

6N

8N 9N

SCERT TELANGANA

(30)

1

d c b a

2

d c b a

3

d c b a

Fnet = ? F1>F2 F2 F1 4

2F2-F1 d 0 c F1+F2 b F1-F2 a

5

d c b a

(Suggested Experiment)

1 2 3

(Suggested Project)

1 2 i ii iii

SCERT

TELANGANA

(31)

1 -

1 - 1

1800407267864

2 -

(Net Force)

Friction

2

SCERT TELANGANA

(32)

3 -

(W) (i)

(N) (ii)

(acceleration)

deacceleration (Static Friction)

4

SCERT TELANGANA

4

(33)

(Limiting Weight)

grease

(Friction)

1 (sliding friction)

SCERT

TELANGANA

(34)

(static friction)

2 -

6

6 7

8

8

F

f F

f

F f

SCERT TELANGANA

(35)

3 -

9 9

A

SCERT TELANGANA

A

(36)

4 -

10

10

11

11 -

(F) (f)

12

12

5 -

4

F

SCERT TELANGANA f

(37)

Friction Normal Force

6 - heat due to friction

SCERT TELANGANA

(38)

14

(Space Crafts) (Heat Shield)

7 -

SCERT TELANGANA

15

(39)

16 (gymnasts)

17

(hinges) (Film)

lubricants

(lubricants)

8 -

18 -

SCERT TELANGANA

(40)

19 -

(rolling friction)

9 -

20

(ball bearings)

10 -

21

F F

SCERT TELANGANA

(41)

(fluids)

drag

11 -

22

Drag

SCERT TELANGANA

(42)

(lubricants) drag

(AS1) 1

2 (AS5)

(AS1) 3

(AS1) 4

(AS1) 5

(AS1) 1

(AS1) 2

3 4

(FBD) 5

(AS1) 1

2 (AS1)

SCERT TELANGANA

(43)

1

d c b a

2

d c b a

3

d c b a

4

d c b a

5

d c b a

(Suggested Experiment)

1 2

(Suggested Project)

1 (AS4)

2

SCERT

TELANGANA

(44)

1 (synthetic)

3

1

1 -

1 -

SCERT TELANGANA

(45)

2a

2 -

2(b) 2(c) (polymer)

(monomer units)

(synthetic fibres)

(p e t r o

c h e m i c a l s)

(Polymer)

2(a) 2(b)

2(c)

SCERT TELANGANA

(46)

3 -

(rayon) (hosiery

articles)

(p o l y a m i d e s ) Adipic Acid Hexamethylene di Amine

(chips)

(apron)

SCERT TELANGANA

(47)

(swim suits)

4

4 -

50 2

2

1 2 3 4

5

3

SCERT TELANGANA

(48)

(Rayon)

1911

(rayon) 1924

1946

(petro chemicals) (cellulose)

(viscose)

SCERT TELANGANA

6

(49)

5 -

7

blending 7 -

Blending

6

SCERT TELANGANA

(50)

Acrylic

(acrylic) 1941

(fake fur)

(fleece)

Cover (synthetic fibres)

SCERT

3 -

TELANGANA

(51)

synthetic

8

8 (terricott)

(terriwool)

(Terephathalic acid)

PET

SCERT TELANGANA

(52)

6 -

PET

9 1

PET

9

7 -

500 juices

1

PET

9

P E T

SCERT TELANGANA

(53)

10

(monomers)

Cross linked 11(a)

11(b)

6 11(a)

11(b)

(1813-1890) (Pa r k e s i n e )

1862

Paresine

SCERT TELANGANA

(54)

8 -

PP

PET

12

PVC polythene

thermosetting plastics

melamine Bakelite T u p p e r w a r e

Thermo Plastic Thermosetting Plastic melamine

3

3

12 -

SCERT TELANGANA

(55)

(1881-1965) 1920 bakelite

3

1 2 3 4 5 6 7

SCERT TELANGANA

(56)

14

14

melamine

melamine melamine

15

melamine 15

1907

(formaldyhyde)

(Hot Pin Test)

PAN

non-stick

SCERT TELANGANA

(57)

16

16 60 30

SCERT TELANGANA

(58)

9 -

4

(bio-degradable) (non-bio degradable)

Reduce, Recycle, Reuse and Recover - 4R principle

4R

(Reduce)

SCERT

TELANGANA

(59)

Re-use

(eco friendly environment)

(Recycle)

60

HDPE (code2) PET (code1) LDPE (code4)

PVC

(code-3) PS (code-6)

7

1988

9

SCERT

TELANGANA

(60)

18

18

PET

2 1

Recover

2003

(principle of recovery)

4R

(blend) (bio-degradable)

SCERT TELANGANA

(61)

synthetic fibres

1 2 3 4 5

1

SCERT TELANGANA

2

(62)

4R / 4 5 6

1 2 3 4'R 4 5

1

(d (c (b (a

2

(d b a (c (b (a

3

(d (c (b (a

4

(d LDPE (c HDPE (b PET ( a

5

(d (c (b (a

SCERT TELANGANA

(63)

(Suggested Experiment)

1 2

(Suggested Project)

1 2 3

SCERT

TELANGANA

(64)

1

HB 1 -

Metals and non metals

4

SCERT TELANGANA

(65)

1

1-

(Sand Paper)

1-

/

(Sand Paper)

(Sonority)

2-

2-

2-

SCERT TELANGANA

(66)

2- (Malleability)

(Pack)

3 -

2-

3- 3 -

/

SCERT TELANGANA

(67)

4 -

(Ductility)

4 - 4 -

4 -

5 -

(Ductility)

(Electric Circuit)

(Electrical Conductivity)

(Electrician)

SCERT TELANGANA

(68)

4-

6 -

5-

5 - 5 -

/ 5 -

7 - (Alpins) 7 -

(Straw)

SCERT TELANGANA

(69)

7 - (Pins)

.

(Chemical Properties)

6 -

SCERT TELANGANA

(70)

7-

7-

7 -

8 -

SCERT TELANGANA

(71)

(H2O)

6 99%

( 1 8 % ) ( 6 5 % )

(1.5%) (3%) (10%)

(1.0%)

(Rusting of Metals)

(Beaker) 500

SCERT TELANGANA

(72)

(Beaker)

8 -

8 -

5ml (Dropper)

10 -

5

8 -

8

SCERT TELANGANA

(73)

e d c b a (Beaker) 5

b a 50ml

e d c 5

11(a) -

a,e (Beaker) b,d (Beaker) c,f (Beaker)

9 - 9 -

a (Beaker) b (Beaker) c (Beaker) d (Beaker) e (Beaker) f (Beaker)

a

b a ( B e a k e r )

b (Beaker)

b a (Beaker)

'd' c

e 'd' 'e'

(c,d,e)

i ii iii

f'e d c(Beaker)

SCERT TELANGANA

(74)

(antisceptic)

Activated Carbon

(Tincture Iodin)

( P a c k ) (Toffee) (Medal)

(Sheets)

(Auto Mobiles)

10

10 -

1

SCERT TELANGANA

(75)

(AS1) 1

(AS1) 2

(AS1) 3

4

(AS1) 5

(AS1) 1

(AS1) 2

(AS1) 3

4

(AS1) 5

SCERT TELANGANA

(76)

2 (AS7)

(AS1) 3

(AS6) 4

(AS7) 5

(AS1) 1

Amphoteric Oxide d c b a

Dual nature Oxide

2

d c b a

3

d c b a

4

d c b a

5

d c b a

(Suggested Experiment)

1 2 3

(Suggested Project)

1

(AS2) 2

SCERT

TELANGANA

(77)

(loud Speaker)

1- 2-

I

1 2 3 4 5 6

Sound

5

SCERT TELANGANA

(78)

3 -

Vibrating body produces sound

1 - 1-

2 -

1 2 3 4 5 6

SCERT TELANGANA

(79)

( R u b b e r B an d ) 1 2

2 -

2

3- 3 4

4-

(Hack Saw Blade) 4

5-

5-

SCERT TELANGANA

(80)

Clarinet

4- Sound has energy

6 -

(Diaphragm)

7 -

SCERT TELANGANA

3

(81)

5 - 6 -

5 4

8

8 -

3 -

SCERT TELANGANA

(82)

(language)

(Structure of Larynx or Voice Box)

1996 -1936 13

SCERT TELANGANA

(83)

9 (Ligaments)

10(b) 10(a)

10(a)

10(b)

20mm

5mm

7 -

(Wrapper)

SCERT TELANGANA

(84)

8 -

11 6000

32 1990

(Mimicry)

2001

SCERT TELANGANA

(85)

11 -

12 - 13 -

9 -

propagation of sound in liquids

14 -

SCERT TELANGANA

(86)

10 -

(Ring Tone)

13 -

(Ring Tone) 15 -

SCERT TELANGANA

14

(87)

16 -

( M a ll e u s )

(Stapes) (Incus)

(Oval window) 1/20

60 30 (Cochlea) (Drum)

(Pledge)

(Pinna)

Auditory canel

middle ear bones

cochlea Eardrum

SCERT TELANGANA

(88)

30cm 30cm

10cm .1

10cm /

/ .2

3 2

3 -

17 - / 3 2

/

/ (Mean Position)

/ OA 18

OC OB

18

OA OC OA

OA OB OA

A

C A B

3 - /

SCERT TELANGANA

(89)

(Decibels)

dB (1847-1942)

odB

100 10dB 10

0dB 20dB

30dB 1000

0dB -

15dB -

60dB -

90dB -

110dB -

120dB -

140dB -

(Pitch) :

30cm

10cm / 1

20cm

10cm

/ 2

5cm 25cm 10cm

/ 3

19 -

3 2

2-

5 -

20cm 1

SCERT TELANGANA

(90)

20cm

5cm 5cm

20cm(Shrillness) (Shrillness) (Pitch)

20cm

5cm

5cm /

20cm /

< < < < <

(Language)

SCERT

TELANGANA

(91)

20

20000

20000 20

sound pollution

(dB) 60dB

80dB 80dB

SCERT

TELANGANA

(92)

( H y p e r t e n s i o n )

(blood Pressure)

Silencer 10,000

100

SCERT TELANGANA

(93)

dB

(AS1) 1

(AS5) 2

(AS1) 3

(AS1) 4

(AS7) 5

(AS1) (Criket) 1

(AS1) 2

(AS7) 3

(AS5) 4

(AS3) 5

SCERT TELANGANA

1

(94)

1

d c b a

/ 2

d c (Shrillness) b a

3

20,000 20 b 10,000 10 a

40,000 40 d 30,000 30 c

______ (Oval Window) 4

1/20 d 2/20 c 2/10 b 1/10 a

(Shrillness) 5

d c b Pitch a

(Suggest Experiments)

1

Shrillness) (Pitch) 2

(Suggest Projects)

(AS4) 1

2

(AS4) 3

SCERT TELANGANA

(95)

Screen

1

Reflection of Light by Plane surfaces 6

SCERT TELANGANA

(96)

2

2

(MN) A

B

B A

3

AEB ADB ACB

AFB

G

. 4

CB=CG

ACB = AC + CB = AC + CG = ACG

ACB ACG

ADB = ADG

AEB = AEG

AFB = AFG

ACG 4

AEG AFG AEG ADG

M N

M N

SCERT TELANGANA

(97)

G A

B A AEB AEG=AEB

E

5 AEB

AEE' EE' E

2 E'EB 1

Pierre de fermat

5 Paint

3

7(b) 7(a)

M N

M N

6(a) 6(b)

SCERT TELANGANA

(98)

7(c) 7(a) 7(b)

7(b) Drawing board

Clamps

AB

i ON 0

P 7 PQ

Q1 Q P' P Q

AB

Q P S R

O S R

8

ON RS

(r) 1

SCERT TELANGANA

1

(99)

Normal

P

Q

O ON S R

90

S R Q P

q p S R

1

O O 9

I I

O

I O

9 9

SCERT TELANGANA

2

(100)

10 O I

O I O'

I'

O' I'

I O' O

' II' I'

OO

• 10

11

O 2 1

1 2

2

1

SCERT TELANGANA

(101)

10

12

12

13 13

.1 .2

.3 (Peri Scoope)

.4

14

SCERT TELANGANA

(102)

(Fermat's Principle)

(AS1) .1

(AS1) .2

(AS1) .3

(AS1) .4

(AS1) .5

O B A O .1

(AS4) 90o AOB

SCERT TELANGANA

(103)

2 5 .2

(AS5) 'B' .3

(AS2) .4

(AS1) (Building Elevation) .5

120o BC AB .1

55o AB

(AS6) x

3 .2

(AS1)

.3

10o (Divergent rays) .4

.5

.1

(d) (c) (b) (a)

SCERT TELANGANA

.2

(104)

90o .3

180o (d) 45o (c) 90o (b) 0o (a)

.4

(d) (c) (b) (a)

.5

(b) (a)

(d) (c)

.1

8 .2

.1 Periscope C "C" "Z" Periscope .2

Periscope "C"

SCERT

TELANGANA

(105)

Coal and petroleum

7

1

A 1

B A

C

1 -

/ 30-40/

(B)

(A) /

SCERT TELANGANA

(106)

1

10 50 100

Material Science

Wind Mill

/

5,500

2-

2 -

SCERT TELANGANA

(107)

2 -

2 -

3 3 -

1969 1859 227

159

100 50

50 (1859-1959)

10

SCERT

2015

TELANGANA

(108)

Research and Development(R&D) 10%

SCERT TELANGANA

(109)

19

300 250 1950

4000

SCERT TELANGANA

(110)

(CNG) Compressed Natural Gas ONGC (Oil and Natural Gas Coporation

Limited)

:

2 -

Below 40OC

70OC 120OC

170OC

270OC

400OC

600OC

Residue

LPG

Paint

SCERT TELANGANA

(111)

(Coke)

(Coal Gas)

(Coke)

3

4 - 2

SCERT TELANGANA

(112)

200

(Bunsen

Burner)

"U"

Processiong Unit

4 -

5 -

Boiling Tube

SCERT TELANGANA

(113)

(Petrochemicals)

(Liquid

Gold)

100

50 (Garbage)

6 -

SCERT

TELANGANA

(114)

30

(Formation of Coal)

(Carbonisation)

(Formation of Petroleum)

(Fossils)

(Coal Bed

Methane)

SCERT

TELANGANA

(115)

5 -

a b c

SCERT TELANGANA

(116)

Shell Fish

CNG

SCERT TELANGANA

(117)

(AS5) 1

(AS1) (Liquid Gold) 2

(AS1) 3

(AS1) 4

(AS7) 5

(AS3) 1

(AS2) 2

3 (AS1)

(AS7) 4

5 (AS6)

(AS7) 6

1

(AS7) 2

(AS1) 1

d c b a

SCERT TELANGANA

2

(118)

3

d c b a

4

d c b a

(Liquid Gold) 5

d c b a

(Suggested Experiments)

1

(Suggested Projects)

Green House 1

CNG 2

...

/ CNG

3

SCERT

TELANGANA

(119)

LPG

1 -

1- 1 -

1 -

Cumbustion fuel and flame

8

SCERT TELANGANA

(120)

2 -

1 - (Combustion)

1 -

1 2 3 4 5

SCERT TELANGANA

(121)

2 -

3 -

3 -

1 (Holder)

(KMnO4) 10

4

4 -

SCERT TELANGANA

(122)

1-

3 -

5

5

SCERT TELANGANA

(123)

(I g n i t i o n

temperature)

(I g n i t i o n

t e m p e r a t u r e ) (Ignition temperature)

(Ignition temperature)

(LPG)

4 -

(Ignition Temprature)

6 -

6 -

(Ignition temperature) (Ignition temperature)

SCERT TELANGANA

(124)

Knob

C a m p h o r

(Highly 1

Inflammable)

2

(Ignition

temperature)

CNG LPG

2

2

2

SCERT

/

TELANGANA

(125)

1

(Kj/Kg)

(KJ / Kg)

6000 - 8000 17000 - 22000 25000 - 33000

45000 45000 45000

50000 CNG

55000 LPG

(a) (b) (c)

SCERT TELANGANA

(126)

5 -

3 -

Camphor

SCERT

TELANGANA

(127)

6 -

7 -

SCERT TELANGANA

8

(128)

8 -

9 10

9 - 9 -

10

10 -

(Ignition Temprature)

SCERT TELANGANA

(129)

1kg

(AS1) 1

(AS1) 2

(AS1) 3

(AS1) 4

(AS4) 5

(AS5) 6

(AS1) 1

(AS1) 2

(AS1) 3

(AS7) 4

(AS1) 5

(AS3) 6

SCERT

a

TELANGANA

(130)

(AS1) 1

(AS7) 2

(AS2) 3

(AS2) 4

1

(d) (c) (b) (a)

2

(d) (c) (b) (a)

3

(d) (c) (b) (a)

Spirit 4

(d) (c) (b) (a)

5

(d) (c) (b) (a)

1 2 3

1 2 (AS4)

SCERT

3

TELANGANA

(131)

1 -

Light E m itting Dio de 1 -

(KEY ON)

(Straw)

Electrical conductivity of liquids

9

SCERT TELANGANA

(132)

(KEY)

1

2 -

LED 2

1 -

/

PIN 1

(Eraser) 2

SCERT TELANGANA

(133)

2 -

2

LED

LED LED LED

(Distilled

water)

LED

2 -

2 -

2 -

/ / LED

1 2 3 4 5 6 7 8 9

LED

SCERT TELANGANA

(134)

LED LED

1

LED (Tester)

LED

LED

2 -

LED

LED

LED

LED LED

LED (Tester)

LED

LED

LED

LED

(Leads) 3 -

LED 3 -

LED

SCERT TELANGANA

(135)

3 -

Tester 2 -

3 - Tester

3 -

/

/ LED

1 2

CuSO4 3

4

SCERT

TELANGANA

(136)

4 -

Tester LED

Tester 4 -

4 -

LED 30 20

SCERT TELANGANA

(137)

200

1780

SCERT

1800

TELANGANA

(138)

5 -

5

2

5

5

5 - LED

LED

LED

LED

LED

SCERT TELANGANA

(139)

Electroplating

5 2

6

6 -

10

SCERT TELANGANA

(140)

(Electro Plating)

(i)

(ii)

(iii) (iv) 7 -

7 -

SCERT TELANGANA

8 -

(141)

9 -

1 2 3 4 5 6

(AS1) 1

(AS1) 2

(AS1) 3

(AS5) 4

(AS1) 1

2 3 8 -

9 -

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(142)

(AS3) LED 4

(AS7) 5

1 (AS1)

2

1

Galvanizing (d) (c) (b) (a)

2

(d) (c) (b) (a)

3

(d) (c) (b) (a)

4

(d) (c) (b) (a)

5

(d) (c) (b) (a)

1 2 3

1

LED Tester LED 2

SCERT

TELANGANA

(143)

( N a t u r a l

Phenomena) 600

1752

Some natural phenomena

10

SCERT TELANGANA

(144)

1 -

1 -

(Drinking Straw)

1 -

SCERT TELANGANA

(145)

2 -

2 -

1 -

SCERT TELANGANA

(146)

2 -

2 (a) - 2 (b) -

2 -

SCERT TELANGANA

(147)

3 - 1

2

3

SCERT TELANGANA

(148)

(Straw)

3 -

4 -

SCERT TELANGANA

(149)

4 -

5

5 - 4 1

6 - (Electroscope)

(Electroscope)

(Earthing)

SCERT TELANGANA

(150)

6 - 1

2

(Lightning Conductors)

SCERT TELANGANA

(151)

7 - (Meterological Department)

2005 8 26

2001

5 -

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(152)

8 -

2004 26

6 -

9b 9a

9 (a)

9 (b)

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(153)

10 -

Weak Zones

Fault Sesmic Zones Weak Zones

Zones

(Seismic (Seismo Scope)

Seismograph Waves) (Seismiscope)

7 7.5

11 - Seismic

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(154)

12 -

(Pen) (Pen)

4 6

2 6

4

(Moment Magnitude Scale) Fault Zone

Moment

Magnitude Scale

100

3.5 5.4 3.5 6.0 5.5

6.9 6.1 7.9 7.0

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8.0

(155)

(Seismic Zones)

(Seismic Area)

13 -

II

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(156)

(Discharge) (Crust) (Seismograph)

(Earthing)

Fault Zones

SCERT TELANGANA

7

(157)

(AS5) 1

(Thunder Strom) 2

(AS1) 3

(AS1) 4

(AS7) 5

(AS1) 1

(AS1) 2

3 (AS3)

4 (AS1)

(AS6) 5

1 (AS7)

(AS2) 2

(AS2) 3

4

SCERT TELANGANA

(158)

(AS1) 1

b a

d c

(AS1) 2

b a

d c

3

2.0 d 7.0 c 4.0 b 3.0 a

4

d c b a

5

d c b a

1 2

1

2 (AS4)

3

SCERT

TELANGANA

(159)

1 -

4 9

Stars and solar system

11

SCERT

TELANGANA

(160)

1

1 9

4

4 2 12 11 9

SCERT TELANGANA

(161)

(sun dial)

1

10

2 -

15 10

2

2

SCERT TELANGANA

(162)

1 1

UNESCO

3 -

C (90o) ABC

3

3 -

16 1

17 2

18 3

19 4

SCERT TELANGANA

(163)

3

BC

B BC

AC 9

AC

BC

1

4 -

1

4

SCERT TELANGANA

(164)

2 50

5 -

5

5

SCERT TELANGANA

(165)

6 -

4

6 6

7

7

SCERT TELANGANA

(166)

7

7 1

2

3

5

21 7 18 6

28 25 8

1 7

7

SCERT

TELANGANA

(167)

1969

2008 22 1

1

1 2

3 3

(three dimensional) 4

5

1

solar eclips

1

2

3

SCERT

4

TELANGANA

(168)

lunar eclips

1

2

3

7

1980 16

8

SCERT TELANGANA

(169)

8

8

1980 16

constellations

(great bear constellation)

SCERT

TELANGANA

(170)

9a

Great bear constellation9(a)

Cassiopeia

M 9b

Cassopeia constellation9(b)

(great bear) 9(a)

Cassopiea

M 9b Cassopiea great bear

7 -

20cm x 20cm 10

(X)

great bear

cassiopeia cassiopeia G great bear

SCERT TELANGANA

C

(171)

g r e a t b e a r

C G cassiopeia

cassiopeia great bear 24

8 -

15 10

11

SCERT TELANGANA

(172)

12

12 -

Constellations

13 -

Polaris

Leo (Simha rashi) Orion

Sharmista Saptha rushi

SCERT TELANGANA

(173)

(milky way

galaxy)

solar system

(8)

15

15 -

SCERT TELANGANA

(174)

planets

mercury venus

SCERT TELANGANA

(175)

earth

Jupiter

1300

Mars

Saturn

2011 26 (NASA)

2012 6 'Curiosity'

SCERT TELANGANA

(176)

Uranus and Neptune

16

1 -

0 88 5.79 0.38

0 225 10.8 0.95

1 365 15.0 1.0

2 687 22.8 0.53

69 12 77.8 11.20

62 29.5 142.7 9.45

27 84 286.9 4.00

14 165 449.7 3.88

12756

16 -

SCERT TELANGANA

(177)

13,92,000 12,756

3474 15,00,00,000

3,84,399

2006 /25

26

Cleared the neighhorhood

Asteroids

17 -

17 -

comets

SCERT TELANGANA

(178)

76 (Halley Comet) 1986

Meteors and meteorites

19 -

19 - (Shooting Stars) 20 -

artificial satellites

21 - 1 INSAT.IRS

EDUSAT -

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(179)

1

2

3

4 1969

SCERT

TELANGANA

(180)

(AS1) 1

(AS1) 2

(AS1) 8 3

(AS1) 4

(AS1) 5

SCERT TELANGANA

(181)

1

(AS3) 2

(AS1) 3

(AS5) 4

(AS2) 5

(AS3) 6

(AS7) 7

(AS1) 8

1 (AS2)

2 (AS7)

(AS6) 3

(AS7) 4

1

b a

d c

2

b a

d c

SCERT

3

TELANGANA

(182)

4

b a

d c

5

Kalpana - 1 b INSAT a

EDUSAT d c

1 2

1 1

(Cosmic Dust) 2

(AS4)

3 (AS4)

SCERT

TELANGANA

(183)

3 15 •

(Quantity)

(Graph)

1

Graphs of Motion

12

SCERT TELANGANA

(184)

1

120 120 120 120 120 120

2 0 - 2

2 2 - 4

2 4 - 6

2 6 - 8

2 8 - 10

2 10 - 12

2 2

120 240 360 480 600 720

2 4 6 8 10 12

(Graph) X

Y X Y

2

2 X

120 Y

1

Y X •

Scale

On X - axis 1cm = 1 minutes On Y - axis 1cm = 60 meters

X

Y

SCERT TELANGANA

(185)

(Graph)

1

1 1

(Speed)

• (uniform motion)

(speed) •

2

2

(1 )

Scale

On X - axis 1cm = 1 minutes On Y - axis 1cm = 60 meters

Y

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(186)

X

2 •

X

3

(Graph of Stationary Objects)

3 3

60 60 60 0 0 0 60 60

0 - 2 2 - 4 4 - 6 6 - 8 8 - 10 10 - 12 12 - 14 14 -16

3

Scale

On X - axis 1cm = 1 minutes On Y - axis 1cm = 60 meters

Y

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(187)

4

60 120

- - - - - -

2 4 6 8 10 12 14 16

4 •

4 •

8 •

12 •

X

4

4

AB •

CD •

CD AB •

5

Scale

On X - axis 1cm = On Y - axis 1cm =

X 4

Y

A

B

C D

E

SCERT TELANGANA

(188)

30

5

30 •

5

• 5

2 10 32.5

250

0 - 30 30 - 60 60 - 90

300 - 330

AB

6

(Swan)

180

Scale

On X - axis 1cm = 30 minutes On Y - axis 1cm = 25 Kms

X 5

Y

A B

C

D E

SCERT TELANGANA

(189)

6

6

5 20 45 80 125 180

1 2 3 4 5 6

180 •

7

2

3

X 6

Y

A

B

C D E

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(190)

.1

.2 .3

.4

8

4

3

10

4

.1 _____

3 .2

_____

.3 _______

.4

_____ 10

7 7

8 2

1 2

30 1 1.5 30 1 1.5

8 7

8

0 2 3 5

30 6 6.5

SCERT

TELANGANA

(191)

9

7 .1

.2 .3 .4 .5 .6 .7

10

8

X 7

Y

A

Scale

On X - axis 1cm = 5 Minutes On Y - axis 1cm = 250 Mtrs X 8

Y

A

Scale

On X - axis 1cm = 1 Minute On Y - axis 1cm = 200 Mtrs

SCERT TELANGANA

(192)

11

X •

(Parallel) X

4

SCERT TELANGANA

(193)

9 1

9 •

CD

32 1

2 5

1 3

18 5

2 2 10

(a) (b) (c)

3 (d)

11 1

X 9

Y

A

Scale

On X - axis 1cm = 1 Hour On Y - axis 1cm = 10 Kms

A B

C D

E

X 10

Y

Y

Scale

On X - axis 1cm = 1 min

Scale

On X - axis 1cm = 5 min On Y - axis 1cm = 1 Km

SCERT TELANGANA

(194)

1

(d) (c) (b) (a)

2

(d) (c) (b) (a)

4 3 2 1 3

4 (d) 1 (c) 3 (b) 2 (a)

4

CD (d) BC (c) DE (b) AB (a)

5

(d (c) (b) (a)

SCERT TELANGANA

References

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