SlideShare uma empresa Scribd logo

Magnifying lens and balance

•Transferir como PPTX, PDF•
•
R
roshanrm

g1

Ciências
1 de 8
• It makes small things look bigger! 1) Magnifying Lens
• It makes small things look bigger! 1) Magnifying Lens
scientists should be careful in the lab and wear the lab coat scientists should be careful in the lab and wear the lab coat
2) Balance • Used to know how heavy something is.
Which object is heavier??
Magnifying lens and balance
Magnifying lens and balance

Recomendados

Magnifying lens
Magnifying lensMagnifying lens
Magnifying lensroshanrm
 
Presentation1
Presentation1Presentation1
Presentation1roshanrm
 
O peso-da-tua-cruz
O peso-da-tua-cruzO peso-da-tua-cruz
O peso-da-tua-cruzAldo Cioffi
 
Infarto a sos
Infarto a sosInfarto a sos
Infarto a sosAldo Cioffi
 
Enabling the Perforce Administrator via Mobile Device
Enabling the Perforce Administrator via Mobile Device Enabling the Perforce Administrator via Mobile Device
Enabling the Perforce Administrator via Mobile Device Perforce
 
A grande transição D_franco_J_angelis
A grande transição D_franco_J_angelisA grande transição D_franco_J_angelis
A grande transição D_franco_J_angelisMarcelo Monteiro
 
Por que Jesus?
Por que Jesus?Por que Jesus?
Por que Jesus?HaroldoMaranhao
 
Geralnews24mar
Geralnews24marGeralnews24mar
Geralnews24margeralinvestimentos
 

Recomendados

Magnifying lens
Magnifying lensMagnifying lens
Magnifying lensroshanrm
 
Presentation1
Presentation1Presentation1
Presentation1roshanrm
 
O peso-da-tua-cruz
O peso-da-tua-cruzO peso-da-tua-cruz
O peso-da-tua-cruzAldo Cioffi
 
Infarto a sos
Infarto a sosInfarto a sos
Infarto a sosAldo Cioffi
 
Enabling the Perforce Administrator via Mobile Device
Enabling the Perforce Administrator via Mobile Device Enabling the Perforce Administrator via Mobile Device
Enabling the Perforce Administrator via Mobile Device Perforce
 
A grande transição D_franco_J_angelis
A grande transição D_franco_J_angelisA grande transição D_franco_J_angelis
A grande transição D_franco_J_angelisMarcelo Monteiro
 
Por que Jesus?
Por que Jesus?Por que Jesus?
Por que Jesus?HaroldoMaranhao
 
Geralnews24mar
Geralnews24marGeralnews24mar
Geralnews24margeralinvestimentos
 
Negro bembon.coral eufonia de getafe
Negro bembon.coral eufonia de getafeNegro bembon.coral eufonia de getafe
Negro bembon.coral eufonia de getafeJustino Garcia
 
Em portugal
Em portugalEm portugal
Em portugalDanley Oliveira
 
Informativo HP
Informativo HPInformativo HP
Informativo HPJuliana Morais
 
Geralnews15mar
Geralnews15marGeralnews15mar
Geralnews15margeralinvestimentos
 
Sou sua vida
Sou sua vidaSou sua vida
Sou sua vidaAldo Cioffi
 
Parte 1 encantador_e_cada_momento
Parte 1 encantador_e_cada_momentoParte 1 encantador_e_cada_momento
Parte 1 encantador_e_cada_momentoAldo Cioffi
 
Queroseusorrisocd
QueroseusorrisocdQueroseusorrisocd
QueroseusorrisocdAldo Cioffi
 
Serenade schubert
Serenade schubertSerenade schubert
Serenade schubertRosa Oliveira
 
Escola benvinda slides
Escola benvinda slidesEscola benvinda slides
Escola benvinda slidesedirlandiareis
 
Motion Computing - rugged tablets in the field services
Motion Computing - rugged tablets in the field servicesMotion Computing - rugged tablets in the field services
Motion Computing - rugged tablets in the field servicesAmos Simoes
 
Piattaforma server-streaming-vm newsletter 09-2010
Piattaforma server-streaming-vm newsletter 09-2010Piattaforma server-streaming-vm newsletter 09-2010
Piattaforma server-streaming-vm newsletter 09-2010Matteo Barberi
 
Tripe
TripeTripe
TripeAldo Cioffi
 
Presentacion leyes de gestalt
Presentacion leyes de gestaltPresentacion leyes de gestalt
Presentacion leyes de gestaltjaormy
 
Conteúdo Bárbaro
Conteúdo BárbaroConteúdo Bárbaro
Conteúdo BárbaroBárbara Valsézia Dos Santos
 
Estudo da função
Estudo da funçãoEstudo da função
Estudo da funçãorachidcury
 
Montanas de amor
Montanas de amorMontanas de amor
Montanas de amorReflejos de Luz
 
Controlando cargas de trabalho com o resource governor no SQL Server 2014
Controlando cargas de trabalho com o resource governor no SQL Server 2014Controlando cargas de trabalho com o resource governor no SQL Server 2014
Controlando cargas de trabalho com o resource governor no SQL Server 2014Marcos Freccia
 
Bulliyng marta e alice
Bulliyng marta e aliceBulliyng marta e alice
Bulliyng marta e alicemartaealice
 
Day & tha life of a g
Day & tha life of a gDay & tha life of a g
Day & tha life of a gAmen-Ra!
 
Proyecto supersopa
Proyecto supersopaProyecto supersopa
Proyecto supersopaemikinetic
 
1 b float and sink
1 b float and sink1 b float and sink
1 b float and sinkroshanrm
 
1 a float and sink
1 a float and sink1 a float and sink
1 a float and sinkroshanrm
 

Mais conteúdo relacionado

Destaque

Negro bembon.coral eufonia de getafe
Negro bembon.coral eufonia de getafeNegro bembon.coral eufonia de getafe
Negro bembon.coral eufonia de getafeJustino Garcia
 
Parte 1 encantador_e_cada_momento
Parte 1 encantador_e_cada_momentoParte 1 encantador_e_cada_momento
Parte 1 encantador_e_cada_momentoAldo Cioffi
 
Queroseusorrisocd
QueroseusorrisocdQueroseusorrisocd
QueroseusorrisocdAldo Cioffi
 
Escola benvinda slides
Escola benvinda slidesEscola benvinda slides
Escola benvinda slidesedirlandiareis
 
Motion Computing - rugged tablets in the field services
Motion Computing - rugged tablets in the field servicesMotion Computing - rugged tablets in the field services
Motion Computing - rugged tablets in the field servicesAmos Simoes
 
Piattaforma server-streaming-vm newsletter 09-2010
Piattaforma server-streaming-vm newsletter 09-2010Piattaforma server-streaming-vm newsletter 09-2010
Piattaforma server-streaming-vm newsletter 09-2010Matteo Barberi
 
Presentacion leyes de gestalt
Presentacion leyes de gestaltPresentacion leyes de gestalt
Presentacion leyes de gestaltjaormy
 
Estudo da função
Estudo da funçãoEstudo da função
Estudo da funçãorachidcury
 
Controlando cargas de trabalho com o resource governor no SQL Server 2014
Controlando cargas de trabalho com o resource governor no SQL Server 2014Controlando cargas de trabalho com o resource governor no SQL Server 2014
Controlando cargas de trabalho com o resource governor no SQL Server 2014Marcos Freccia
 
Bulliyng marta e alice
Bulliyng marta e aliceBulliyng marta e alice
Bulliyng marta e alicemartaealice
 
Day & tha life of a g
Day & tha life of a gDay & tha life of a g
Day & tha life of a gAmen-Ra!
 
Proyecto supersopa
Proyecto supersopaProyecto supersopa
Proyecto supersopaemikinetic
 

Destaque (20)

Negro bembon.coral eufonia de getafe
Negro bembon.coral eufonia de getafeNegro bembon.coral eufonia de getafe
Negro bembon.coral eufonia de getafe
 
Em portugal
Em portugalEm portugal
Em portugal
 
Informativo HP
Informativo HPInformativo HP
Informativo HP
 
Geralnews15mar
Geralnews15marGeralnews15mar
Geralnews15mar
 
Sou sua vida
Sou sua vidaSou sua vida
Sou sua vida
 
Parte 1 encantador_e_cada_momento
Parte 1 encantador_e_cada_momentoParte 1 encantador_e_cada_momento
Parte 1 encantador_e_cada_momento
 
Queroseusorrisocd
QueroseusorrisocdQueroseusorrisocd
Queroseusorrisocd
 
Serenade schubert
Serenade schubertSerenade schubert
Serenade schubert
 
Escola benvinda slides
Escola benvinda slidesEscola benvinda slides
Escola benvinda slides
 
Motion Computing - rugged tablets in the field services
Motion Computing - rugged tablets in the field servicesMotion Computing - rugged tablets in the field services
Motion Computing - rugged tablets in the field services
 
Piattaforma server-streaming-vm newsletter 09-2010
Piattaforma server-streaming-vm newsletter 09-2010Piattaforma server-streaming-vm newsletter 09-2010
Piattaforma server-streaming-vm newsletter 09-2010
 
Tripe
TripeTripe
Tripe
 
Presentacion leyes de gestalt
Presentacion leyes de gestaltPresentacion leyes de gestalt
Presentacion leyes de gestalt
 
Conteúdo Bárbaro
Conteúdo BárbaroConteúdo Bárbaro
Conteúdo Bárbaro
 
Estudo da função
Estudo da funçãoEstudo da função
Estudo da função
 
Montanas de amor
Montanas de amorMontanas de amor
Montanas de amor
 
Controlando cargas de trabalho com o resource governor no SQL Server 2014
Controlando cargas de trabalho com o resource governor no SQL Server 2014Controlando cargas de trabalho com o resource governor no SQL Server 2014
Controlando cargas de trabalho com o resource governor no SQL Server 2014
 
Bulliyng marta e alice
Bulliyng marta e aliceBulliyng marta e alice
Bulliyng marta e alice
 
Day & tha life of a g
Day & tha life of a gDay & tha life of a g
Day & tha life of a g
 
Proyecto supersopa
Proyecto supersopaProyecto supersopa
Proyecto supersopa
 

Mais de roshanrm

1 b float and sink
1 b float and sink1 b float and sink
1 b float and sinkroshanrm
 
1 a float and sink
1 a float and sink1 a float and sink
1 a float and sinkroshanrm
 
2 a project
2 a project2 a project
2 a projectroshanrm
 
2 b project
2 b project2 b project
2 b projectroshanrm
 
1 b project
1 b project1 b project
1 b projectroshanrm
 
1 a project
1 a project1 a project
1 a projectroshanrm
 
Mixing 1 b
Mixing 1 bMixing 1 b
Mixing 1 broshanrm
 
Magnets 2 b
Magnets 2 bMagnets 2 b
Magnets 2 broshanrm
 
Magnets 2 a
Magnets 2 aMagnets 2 a
Magnets 2 aroshanrm
 
Plants life cycles
Plants life cyclesPlants life cycles
Plants life cyclesroshanrm
 
Butterfly life cycle
Butterfly life cycleButterfly life cycle
Butterfly life cycleroshanrm
 
Sorting nr
Sorting nrSorting nr
Sorting nrroshanrm
 
Deer life cycle
Deer life cycleDeer life cycle
Deer life cycleroshanrm
 
Earth changes slowly
Earth changes slowlyEarth changes slowly
Earth changes slowlyroshanrm
 

Mais de roshanrm (20)

1 b float and sink
1 b float and sink1 b float and sink
1 b float and sink
 
1 a float and sink
1 a float and sink1 a float and sink
1 a float and sink
 
2 a project
2 a project2 a project
2 a project
 
2 b project
2 b project2 b project
2 b project
 
1 b project
1 b project1 b project
1 b project
 
1 a project
1 a project1 a project
1 a project
 
Magnets 3
Magnets 3Magnets 3
Magnets 3
 
Mix. 1 a
Mix. 1 aMix. 1 a
Mix. 1 a
 
Magnets1
Magnets1Magnets1
Magnets1
 
Mixing 1 b
Mixing 1 bMixing 1 b
Mixing 1 b
 
Magnets 2 b
Magnets 2 bMagnets 2 b
Magnets 2 b
 
Magnets 2 a
Magnets 2 aMagnets 2 a
Magnets 2 a
 
Seeds 2 a
Seeds 2 aSeeds 2 a
Seeds 2 a
 
Seeds 2 b
Seeds 2 bSeeds 2 b
Seeds 2 b
 
Plants life cycles
Plants life cyclesPlants life cycles
Plants life cycles
 
Butterfly life cycle
Butterfly life cycleButterfly life cycle
Butterfly life cycle
 
1 a nr
1 a nr1 a nr
1 a nr
 
Sorting nr
Sorting nrSorting nr
Sorting nr
 
Deer life cycle
Deer life cycleDeer life cycle
Deer life cycle
 
Earth changes slowly
Earth changes slowlyEarth changes slowly
Earth changes slowly
 

Último

SCIENCE-4-QUARTER4-WEEK-4-PPT-1 (1).pptx
SCIENCE-4-QUARTER4-WEEK-4-PPT-1 (1).pptxSCIENCE-4-QUARTER4-WEEK-4-PPT-1 (1).pptx
SCIENCE-4-QUARTER4-WEEK-4-PPT-1 (1).pptxRizalinePalanog2
 
biology HL practice questions IB BIOLOGY
biology HL practice questions IB BIOLOGYbiology HL practice questions IB BIOLOGY
biology HL practice questions IB BIOLOGY1301aanya
 
Chemical Tests; flame test, positive and negative ions test Edexcel Internati...
Chemical Tests; flame test, positive and negative ions test Edexcel Internati...Chemical Tests; flame test, positive and negative ions test Edexcel Internati...
Chemical Tests; flame test, positive and negative ions test Edexcel Internati...ssuser79fe74
 
IDENTIFICATION OF THE LIVING- forensic medicine
IDENTIFICATION OF THE LIVING- forensic medicineIDENTIFICATION OF THE LIVING- forensic medicine
IDENTIFICATION OF THE LIVING- forensic medicinesherlingomez2
 
Conjugation, transduction and transformation
Conjugation, transduction and transformationConjugation, transduction and transformation
Conjugation, transduction and transformationAreesha Ahmad
 
Locating and isolating a gene, FISH, GISH, Chromosome walking and jumping, te...
Locating and isolating a gene, FISH, GISH, Chromosome walking and jumping, te...Locating and isolating a gene, FISH, GISH, Chromosome walking and jumping, te...
Locating and isolating a gene, FISH, GISH, Chromosome walking and jumping, te...Silpa
 
pumpkin fruit fly, water melon fruit fly, cucumber fruit fly
pumpkin fruit fly, water melon fruit fly, cucumber fruit flypumpkin fruit fly, water melon fruit fly, cucumber fruit fly
pumpkin fruit fly, water melon fruit fly, cucumber fruit flyPRADYUMMAURYA1
 
PSYCHOSOCIAL NEEDS. in nursing II sem pptx
PSYCHOSOCIAL NEEDS. in nursing II sem pptxPSYCHOSOCIAL NEEDS. in nursing II sem pptx
PSYCHOSOCIAL NEEDS. in nursing II sem pptxSuji236384
 
Pests of cotton_Sucking_Pests_Dr.UPR.pdf
Pests of cotton_Sucking_Pests_Dr.UPR.pdfPests of cotton_Sucking_Pests_Dr.UPR.pdf
Pests of cotton_Sucking_Pests_Dr.UPR.pdfPirithiRaju
 
COMPUTING ANTI-DERIVATIVES (Integration by SUBSTITUTION)
COMPUTING ANTI-DERIVATIVES (Integration by SUBSTITUTION)COMPUTING ANTI-DERIVATIVES (Integration by SUBSTITUTION)
COMPUTING ANTI-DERIVATIVES (Integration by SUBSTITUTION)AkefAfaneh2
 
Kochi ❤CALL GIRL 84099*07087 ❤CALL GIRLS IN Kochi ESCORT SERVICE❤CALL GIRL
Kochi ❤CALL GIRL 84099*07087 ❤CALL GIRLS IN Kochi ESCORT SERVICE❤CALL GIRLKochi ❤CALL GIRL 84099*07087 ❤CALL GIRLS IN Kochi ESCORT SERVICE❤CALL GIRL
Kochi ❤CALL GIRL 84099*07087 ❤CALL GIRLS IN Kochi ESCORT SERVICE❤CALL GIRLkantirani197
 
9999266834 Call Girls In Noida Sector 22 (Delhi) Call Girl Service
9999266834 Call Girls In Noida Sector 22 (Delhi) Call Girl Service9999266834 Call Girls In Noida Sector 22 (Delhi) Call Girl Service
9999266834 Call Girls In Noida Sector 22 (Delhi) Call Girl Servicenishacall1
 
Formation of low mass protostars and their circumstellar disks
Formation of low mass protostars and their circumstellar disksFormation of low mass protostars and their circumstellar disks
Formation of low mass protostars and their circumstellar disksSérgio Sacani
 
Bacterial Identification and Classifications
Bacterial Identification and ClassificationsBacterial Identification and Classifications
Bacterial Identification and ClassificationsAreesha Ahmad
 
Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 b
Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 bAsymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 b
Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 bSérgio Sacani
 
Call Girls Alandi Call Me 7737669865 Budget Friendly No Advance Booking
Call Girls Alandi Call Me 7737669865 Budget Friendly No Advance BookingCall Girls Alandi Call Me 7737669865 Budget Friendly No Advance Booking
Call Girls Alandi Call Me 7737669865 Budget Friendly No Advance Bookingroncy bisnoi
 
FAIRSpectra - Enabling the FAIRification of Spectroscopy and Spectrometry
FAIRSpectra - Enabling the FAIRification of Spectroscopy and SpectrometryFAIRSpectra - Enabling the FAIRification of Spectroscopy and Spectrometry
FAIRSpectra - Enabling the FAIRification of Spectroscopy and SpectrometryAlex Henderson
 
High Class Escorts in Hyderabad ₹7.5k Pick Up & Drop With Cash Payment 969456...
High Class Escorts in Hyderabad ₹7.5k Pick Up & Drop With Cash Payment 969456...High Class Escorts in Hyderabad ₹7.5k Pick Up & Drop With Cash Payment 969456...
High Class Escorts in Hyderabad ₹7.5k Pick Up & Drop With Cash Payment 969456...chandars293
 
Pulmonary drug delivery system M.pharm -2nd sem P'ceutics
Pulmonary drug delivery system M.pharm -2nd sem P'ceuticsPulmonary drug delivery system M.pharm -2nd sem P'ceutics
Pulmonary drug delivery system M.pharm -2nd sem P'ceuticssakshisoni2385
 
GBSN - Microbiology (Unit 3)
GBSN - Microbiology (Unit 3)GBSN - Microbiology (Unit 3)
GBSN - Microbiology (Unit 3)Areesha Ahmad
 

Último (20)

SCIENCE-4-QUARTER4-WEEK-4-PPT-1 (1).pptx
SCIENCE-4-QUARTER4-WEEK-4-PPT-1 (1).pptxSCIENCE-4-QUARTER4-WEEK-4-PPT-1 (1).pptx
SCIENCE-4-QUARTER4-WEEK-4-PPT-1 (1).pptx
 
biology HL practice questions IB BIOLOGY
biology HL practice questions IB BIOLOGYbiology HL practice questions IB BIOLOGY
biology HL practice questions IB BIOLOGY
 
Chemical Tests; flame test, positive and negative ions test Edexcel Internati...
Chemical Tests; flame test, positive and negative ions test Edexcel Internati...Chemical Tests; flame test, positive and negative ions test Edexcel Internati...
Chemical Tests; flame test, positive and negative ions test Edexcel Internati...
 
IDENTIFICATION OF THE LIVING- forensic medicine
IDENTIFICATION OF THE LIVING- forensic medicineIDENTIFICATION OF THE LIVING- forensic medicine
IDENTIFICATION OF THE LIVING- forensic medicine
 
Conjugation, transduction and transformation
Conjugation, transduction and transformationConjugation, transduction and transformation
Conjugation, transduction and transformation
 
Locating and isolating a gene, FISH, GISH, Chromosome walking and jumping, te...
Locating and isolating a gene, FISH, GISH, Chromosome walking and jumping, te...Locating and isolating a gene, FISH, GISH, Chromosome walking and jumping, te...
Locating and isolating a gene, FISH, GISH, Chromosome walking and jumping, te...
 
pumpkin fruit fly, water melon fruit fly, cucumber fruit fly
pumpkin fruit fly, water melon fruit fly, cucumber fruit flypumpkin fruit fly, water melon fruit fly, cucumber fruit fly
pumpkin fruit fly, water melon fruit fly, cucumber fruit fly
 
PSYCHOSOCIAL NEEDS. in nursing II sem pptx
PSYCHOSOCIAL NEEDS. in nursing II sem pptxPSYCHOSOCIAL NEEDS. in nursing II sem pptx
PSYCHOSOCIAL NEEDS. in nursing II sem pptx
 
Pests of cotton_Sucking_Pests_Dr.UPR.pdf
Pests of cotton_Sucking_Pests_Dr.UPR.pdfPests of cotton_Sucking_Pests_Dr.UPR.pdf
Pests of cotton_Sucking_Pests_Dr.UPR.pdf
 
COMPUTING ANTI-DERIVATIVES (Integration by SUBSTITUTION)
COMPUTING ANTI-DERIVATIVES (Integration by SUBSTITUTION)COMPUTING ANTI-DERIVATIVES (Integration by SUBSTITUTION)
COMPUTING ANTI-DERIVATIVES (Integration by SUBSTITUTION)
 
Kochi ❤CALL GIRL 84099*07087 ❤CALL GIRLS IN Kochi ESCORT SERVICE❤CALL GIRL
Kochi ❤CALL GIRL 84099*07087 ❤CALL GIRLS IN Kochi ESCORT SERVICE❤CALL GIRLKochi ❤CALL GIRL 84099*07087 ❤CALL GIRLS IN Kochi ESCORT SERVICE❤CALL GIRL
Kochi ❤CALL GIRL 84099*07087 ❤CALL GIRLS IN Kochi ESCORT SERVICE❤CALL GIRL
 
9999266834 Call Girls In Noida Sector 22 (Delhi) Call Girl Service
9999266834 Call Girls In Noida Sector 22 (Delhi) Call Girl Service9999266834 Call Girls In Noida Sector 22 (Delhi) Call Girl Service
9999266834 Call Girls In Noida Sector 22 (Delhi) Call Girl Service
 
Formation of low mass protostars and their circumstellar disks
Formation of low mass protostars and their circumstellar disksFormation of low mass protostars and their circumstellar disks
Formation of low mass protostars and their circumstellar disks
 
Bacterial Identification and Classifications
Bacterial Identification and ClassificationsBacterial Identification and Classifications
Bacterial Identification and Classifications
 
Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 b
Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 bAsymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 b
Asymmetry in the atmosphere of the ultra-hot Jupiter WASP-76 b
 
Call Girls Alandi Call Me 7737669865 Budget Friendly No Advance Booking
Call Girls Alandi Call Me 7737669865 Budget Friendly No Advance BookingCall Girls Alandi Call Me 7737669865 Budget Friendly No Advance Booking
Call Girls Alandi Call Me 7737669865 Budget Friendly No Advance Booking
 
FAIRSpectra - Enabling the FAIRification of Spectroscopy and Spectrometry
FAIRSpectra - Enabling the FAIRification of Spectroscopy and SpectrometryFAIRSpectra - Enabling the FAIRification of Spectroscopy and Spectrometry
FAIRSpectra - Enabling the FAIRification of Spectroscopy and Spectrometry
 
High Class Escorts in Hyderabad ₹7.5k Pick Up & Drop With Cash Payment 969456...
High Class Escorts in Hyderabad ₹7.5k Pick Up & Drop With Cash Payment 969456...High Class Escorts in Hyderabad ₹7.5k Pick Up & Drop With Cash Payment 969456...
High Class Escorts in Hyderabad ₹7.5k Pick Up & Drop With Cash Payment 969456...
 
Pulmonary drug delivery system M.pharm -2nd sem P'ceutics
Pulmonary drug delivery system M.pharm -2nd sem P'ceuticsPulmonary drug delivery system M.pharm -2nd sem P'ceutics
Pulmonary drug delivery system M.pharm -2nd sem P'ceutics
 
GBSN - Microbiology (Unit 3)
GBSN - Microbiology (Unit 3)GBSN - Microbiology (Unit 3)
GBSN - Microbiology (Unit 3)
 

Magnifying lens and balance