Knowledge stock photos and images



29865 images of Knowledge photos, pictures, Knowledge stock photography

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Portrait of smiling female student in school uniform at microscope in science class Stock Photo - Royalty-Freenull, Code: 648-05549795
648-05549795 (RF)

Portrait of smiling ...
Students in school uniforms using digital tablets at round table Stock Photo - Royalty-Freenull, Code: 648-05549799
648-05549799 (RF)

Students in school u...
Students working on electronic device in vocational class together Stock Photo - Royalty-Freenull, Code: 648-04825611
648-04825611 (RF)

Students working on ...
Close up of student in school uniform using digital tablet at desk in classroom Stock Photo - Royalty-Freenull, Code: 648-05549683
648-05549683 (RF)

Close up of student ...
Female student in school uniform leaning on lockers and using digital tablet Stock Photo - Royalty-Freenull, Code: 648-05549728
648-05549728 (RF)

Female student in sc...
Female student in school uniform using digital tablet in classroom Stock Photo - Royalty-Freenull, Code: 648-05549691
648-05549691 (RF)

Female student in sc...
Pretty girl with a mess pile of books Stock Photo - Crestock Royalty-Free, Artist: Gelpi, Code: 400-03967321
400-03967321 (RF)
Artist: Gelpi
Pretty girl with a m...
Students in school uniforms taking exam at desks in classroom Stock Photo - Royalty-Free, Artist: Gelpi, Code: 648-05549771
648-05549771 (RF)

Students in school u...
Female student in school uniform using calculator for exam at desk in classroom Stock Photo - Royalty-Free, Artist: Gelpi, Code: 648-05549775
648-05549775 (RF)

Female student in sc...
Female student in school uniform assembling atom model on desk in classroom Stock Photo - Royalty-Free, Artist: Gelpi, Code: 648-05549781
648-05549781 (RF)

Female student in sc...
Students in school uniforms using microscopes in science class Stock Photo - Royalty-Free, Artist: Gelpi, Code: 648-05549789
648-05549789 (RF)

Students in school u...
Male student using digital tablet at desk Stock Photo - Royalty-Free, Artist: Gelpi, Code: 648-05549798
648-05549798 (RF)

Male student using d...
Caucasian girl reading book Stock Photo - Rights-Managed, Artist: Blend Images, Code: 833-03881127
833-03881127 (RM)
Artist: Blend Images
Caucasian girl readi...
Close up of male student taking exam at desk in classroom Stock Photo - Royalty-Free, Artist: Blend Images, Code: 648-05549705
648-05549705 (RF)

Close up of male stu...
3d rendered x-ray illustration of a human head with gears Stock Photo - Crestock Royalty-Free, Artist: Eraxion, Code: 400-03966165
400-03966165 (RF)
Artist: Eraxion
3d rendered x-ray il...
Female student in school uniform typing on computer keyboard Stock Photo - Royalty-Free, Artist: Eraxion, Code: 648-05549807
648-05549807 (RF)

Female student in sc...
Female student in school uniform holding pencil and looking at computer monitor Stock Photo - Royalty-Free, Artist: Eraxion, Code: 648-05549815
648-05549815 (RF)

Female student in sc...
Students in school uniforms taking exam at desks in classroom Stock Photo - Royalty-Free, Artist: Eraxion, Code: 648-05549817
648-05549817 (RF)

Students in school u...
Close up portrait of smiling male student in school uniform wearing headphones Stock Photo - Royalty-Free, Artist: Eraxion, Code: 648-05549819
648-05549819 (RF)

Close up portrait of...
Stack of colorful books isolated on white background Stock Photo - Crestock Royalty-Free, Artist: Iglira, Code: 400-03965869
400-03965869 (RF)
Artist: Iglira
Stack of colorful bo...
Students in school uniforms using digital tablet outside lockers in corridor Stock Photo - Royalty-Free, Artist: Iglira, Code: 648-05549730
648-05549730 (RF)

Students in school u...
Students and teacher reading at round table in school library Stock Photo - Royalty-Free, Artist: Iglira, Code: 648-05549737
648-05549737 (RF)

Students and teacher...
Two rows of ntique books on bookshelf Stock Photo - Crestock Royalty-Free, Artist: bedo, Code: 400-03963321
400-03963321 (RF)
Artist: bedo
Two rows of ntique b...
3d rendered illustration of a binary code and a human brain Stock Photo - Crestock Royalty-Free, Artist: Eraxion, Code: 400-03966357
400-03966357 (RF)
Artist: Eraxion
3d rendered illustra...
Girl taking notes in school workshop Stock Photo - Royalty-Free, Artist: Eraxion, Code: 648-04826007
648-04826007 (RF)

Girl taking notes in...
Close up of male student in school uniform taking exam at desk in classroom Stock Photo - Royalty-Free, Artist: Eraxion, Code: 648-05549704
648-05549704 (RF)

Close up of male stu...
Rolled up green book isolated on white background Stock Photo - Crestock Royalty-Free, Artist: Iglira, Code: 400-03965867
400-03965867 (RF)
Artist: Iglira
Rolled up green book...
X-Ray of a male skeleton with a series of gears in his head for the concept of thought. Isolated on a black background Stock Photo - Crestock Royalty-Free, Artist: CameronC, Code: 400-03960011
400-03960011 (RF)
Artist: CameronC
X-Ray of a male skel...
Female student in school uniform using computer Stock Photo - Royalty-Free, Artist: CameronC, Code: 648-05549808
648-05549808 (RF)

Female student in sc...
Korean woman drinking coffee and reading book Stock Photo - Royalty-Free, Artist: CameronC, Code: 619-05448893
619-05448893 (RF)

Korean woman drinkin...
*** note for inspectors: the book is very old (1915), the text in the book is even older (~1830) thus no copyright issue with recognizable text*** Tired teenager boy fallen asleep on his book; isolated on white Stock Photo - Crestock Royalty-Free, Artist: MikLav, Code: 400-03953677
400-03953677 (RF)
Artist: MikLav
*** note for inspect...
Caucasian making rabbit mask Stock Photo - Royalty-Free, Artist: MikLav, Code: 619-05449191
619-05449191 (RF)

Caucasian making rab...
Young businessman Stock Photo - Crestock Royalty-Free, Artist: barsik, Code: 400-03948587
400-03948587 (RF)
Artist: barsik
Young businessman
Girls taking notes near Bunsen burner in science class Stock Photo - Royalty-Free, Artist: barsik, Code: 648-04825961
648-04825961 (RF)

Girls taking notes n...
Student using drawing compass at desk in classroom Stock Photo - Royalty-Free, Artist: barsik, Code: 648-05549772
648-05549772 (RF)

Student using drawin...
Close up of male student in school uniform examining microscope slide Stock Photo - Royalty-Free, Artist: barsik, Code: 648-05549792
648-05549792 (RF)

Close up of male stu...
sitting teenager boy reading antique book; isolated on white background Stock Photo - Crestock Royalty-Free, Artist: MikLav, Code: 400-03953675
400-03953675 (RF)
Artist: MikLav
sitting teenager boy...
Students and teacher reading at round table in school library Stock Photo - Royalty-Free, Artist: MikLav, Code: 648-05549739
648-05549739 (RF)

Students and teacher...
Large brain floating over remote highway Stock Photo - Royalty-Free, Artist: MikLav, Code: 619-05515351
619-05515351 (RF)

Large brain floating...
Young boy reaching up to get a book from a bookcase Stock Photo - Royalty-Free, Artist: MikLav, Code: 614-05650663
614-05650663 (RF)

Young boy reaching u...
circle of three brown books Stock Photo - Crestock Royalty-Free, Artist: igorad, Code: 400-03956084
400-03956084 (RF)
Artist: igorad
circle of three brow...
Close up of book pages turning Stock Photo - Crestock Royalty-Free, Artist: kirstypargeter , Code: 400-04971980
400-04971980 (RF)
Artist: kirstypargeter
Close up of book pag...
Portrait of smiling teacher with students at table in school library Stock Photo - Royalty-Free, Artist: kirstypargeter , Code: 648-05549735
648-05549735 (RF)

Portrait of smiling ...
sitting teenager boy reading antique book; isolated on white background Stock Photo - Crestock Royalty-Free, Artist: MikLav, Code: 400-03953673
400-03953673 (RF)
Artist: MikLav
sitting teenager boy...
Abstract shiny globe on black background with INTERNET type in front. Stock Photo - Crestock Royalty-Free, Artist: phecsone, Code: 400-03915670
400-03915670 (RF)
Artist: phecsone
Abstract shiny globe...
Some notebooks with soft shadow on white background. Shallow DOF Stock Photo - Crestock Royalty-Free, Artist: broker, Code: 400-03929316
400-03929316 (RF)
Artist: broker
Some notebooks with ...
Cute girl with her hand raised at the school Stock Photo - Crestock Royalty-Free, Artist: Gelpi, Code: 400-03967335
400-03967335 (RF)
Artist: Gelpi
Cute girl with her h...
An image of a beautiful female holding binders. Could be a student or a teacher or business woman. Stock Photo - Crestock Royalty-Free, Artist: sumners, Code: 400-03964709
400-03964709 (RF)
Artist: sumners
An image of a beauti...
Male student reading book against library shelves Stock Photo - Royalty-Free, Artist: sumners, Code: 648-05549741
648-05549741 (RF)

Male student reading...
3d rendered illustration of an expensive microscope Stock Photo - Crestock Royalty-Free, Artist: Eraxion, Code: 400-03952191
400-03952191 (RF)
Artist: Eraxion
3d rendered illustra...
Serious businessman in front of the office building Stock Photo - Crestock Royalty-Free, Artist: barsik, Code: 400-03950465
400-03950465 (RF)
Artist: barsik
Serious businessman ...
Glasses positioned as if looking thru them Stock Photo - Crestock Royalty-Free, Artist: kasia75, Code: 400-03949443
400-03949443 (RF)
Artist: kasia75
Glasses positioned a...
Head shot of female student with a pencil Stock Photo - Crestock Royalty-Free, Artist: danabeth555, Code: 400-03939238
400-03939238 (RF)
Artist: danabeth555
Head shot of female ...
Teacher explaining to student how to use lathe in metalwork class Stock Photo - Royalty-Free, Artist: danabeth555, Code: 648-04825669
648-04825669 (RF)

Teacher explaining t...
A Vector illustration of an open holy book such as the Bible, Torah or Koran Stock Photo - Crestock Royalty-Free, Artist: Krisdog, Code: 400-03964211
400-03964211 (RF)
Artist: Krisdog
A Vector illustratio...
Ordered list of books Stock Photo - Crestock Royalty-Free, Artist: paxi, Code: 400-03945092
400-03945092 (RF)
Artist: paxi
Ordered list of book...
Close up of dog wearing eyeglasses Stock Photo - Royalty-Free, Artist: paxi, Code: 619-05449951
619-05449951 (RF)

Close up of dog wear...
Family of mother and children reading a book under a tree in summer park Stock Photo - Crestock Royalty-Free, Artist: Elenathewise, Code: 400-03942166
400-03942166 (RF)
Artist: Elenathewise
Family of mother and...
Illustration of a owl family Stock Photo - Crestock Royalty-Free, Artist: pauloribau, Code: 400-03952305
400-03952305 (RF)
Artist: pauloribau
Illustration of a ow...
Books and reading glasses on white background Stock Photo - Crestock Royalty-Free, Artist: ajn, Code: 400-03970405
400-03970405 (RF)
Artist: ajn
Books and reading gl...
Busy young student woman with red cap carrying stacked files over a white background. Eyes on focus and shallow DOF Stock Photo - Crestock Royalty-Free, Artist: broker, Code: 400-03929310
400-03929310 (RF)
Artist: broker
Busy young student w...
Portrait of female student in school uniform sitting at desk in classroom Stock Photo - Royalty-Free, Artist: broker, Code: 648-05549667
648-05549667 (RF)

Portrait of female s...
Stacked books and laptop - electronic library, learning and knowledge concept - isolated Stock Photo - Crestock Royalty-Free, Artist: lightkeeper, Code: 400-03933800
400-03933800 (RF)
Artist: lightkeeper
Stacked books and la...
Golden book with gold and silver pen. Stock Photo - Crestock Royalty-Free, Artist: allievn, Code: 400-03972223
400-03972223 (RF)
Artist: allievn
Golden book with gol...
Teacher watching student use lathe in metalwork class Stock Photo - Royalty-Free, Artist: allievn, Code: 648-04825666
648-04825666 (RF)

Teacher watching stu...
Old school books on a desk with a globe in front of a green chalkboard Stock Photo - Crestock Royalty-Free, Artist: TRITOOTH, Code: 400-03962441
400-03962441 (RF)
Artist: TRITOOTH
Old school books on ...
Doctor explaining anatomical model to nursing students Stock Photo - Rights-Managed, Artist: Blend Images, Code: 833-05513718
833-05513718 (RM)
Artist: Blend Images
Doctor explaining an...
Little girl sits under a tree reading a book about butterflies as her faithful dog sits nearby watching butterflies fly around them. Stock Photo - Crestock Royalty-Free, Artist: StephanieFrey, Code: 400-04199429
400-04199429 (RF)
Artist: StephanieFrey
Little girl sits und...
3d rendered illustration of a wire brain and three double helix Stock Photo - Crestock Royalty-Free, Artist: Eraxion, Code: 400-03966149
400-03966149 (RF)
Artist: Eraxion
3d rendered illustra...
Teenage boy and girl using school computer Stock Photo - Royalty-Free, Artist: Eraxion, Code: 648-04825931
648-04825931 (RF)

Teenage boy and girl...
Side view of African American girl sitting in school desk. Stock Photo - Crestock Royalty-Free, Artist: iofoto, Code: 400-03940960
400-03940960 (RF)
Artist: iofoto
Side view of African...
Students taking test in classroom Stock Photo - Royalty-Free, Artist: iofoto, Code: 648-03626105
648-03626105 (RF)

Students taking test...
Teacher in background watching female student in school uniform with wind turbine model in science class Stock Photo - Royalty-Free, Artist: iofoto, Code: 648-05549827
648-05549827 (RF)

Teacher in backgroun...
Adolescent Boy Studying Stock Photo - Royalty-Free, Artist: iofoto, Code: 688-03851007
688-03851007 (RF)

Adolescent Boy Study...
Young student woman with books on white background Stock Photo - Crestock Royalty-Free, Artist: broker, Code: 400-03944649
400-03944649 (RF)
Artist: broker
Young student woman ...
Students and teacher reading at round table in school library Stock Photo - Royalty-Free, Artist: broker, Code: 648-05549733
648-05549733 (RF)

Students and teacher...
Smiling pretty young adult Caucasian brunette female sitting in chair reading book. Stock Photo - Crestock Royalty-Free, Artist: iofoto, Code: 400-03940706
400-03940706 (RF)
Artist: iofoto
Smiling pretty young...
Teacher and students in school uniforms with wind turbine and solar panel models in science class Stock Photo - Royalty-Free, Artist: iofoto, Code: 648-05549831
648-05549831 (RF)

Teacher and students...
Teacher and students holding birdhouses and model airplane in woodworking class Stock Photo - Royalty-Free, Artist: iofoto, Code: 648-04825657
648-04825657 (RF)

Teacher and students...
detail of the new public library with books and chairs Stock Photo - Crestock Royalty-Free, Artist: jonnysek, Code: 400-03956698
400-03956698 (RF)
Artist: jonnysek
detail of the new pu...
Female student in school uniform using digital tablet on bench Stock Photo - Royalty-Free, Artist: jonnysek, Code: 648-05549731
648-05549731 (RF)

Female student in sc...
3d rendered illustration of a binary code and a human brain Stock Photo - Crestock Royalty-Free, Artist: Eraxion, Code: 400-03966134
400-03966134 (RF)
Artist: Eraxion
3d rendered illustra...
Caucasian boy looking a spider in classroom with magnifying glass Stock Photo - Royalty-Free, Artist: Eraxion, Code: 619-05644104
619-05644104 (RF)

Caucasian boy lookin...
Girl with backpack and folder over white background Stock Photo - Crestock Royalty-Free, Artist: Gelpi, Code: 400-03967334
400-03967334 (RF)
Artist: Gelpi
Girl with backpack a...
Open book with pages on red background Stock Photo - Crestock Royalty-Free, Artist: kasia75, Code: 400-03949445
400-03949445 (RF)
Artist: kasia75
Open book with pages...
Hispanic mother and daughter playing card game Stock Photo - Royalty-Free, Artist: kasia75, Code: 619-05448603
619-05448603 (RF)

Hispanic mother and ...
Cute child reading a picture book Stock Photo - Crestock Royalty-Free, Artist: Brebca, Code: 400-03931990
400-03931990 (RF)
Artist: Brebca
Cute child reading a...
rear view of young girl writing on chalk board Stock Photo - Royalty-Free, Artist: Brebca, Code: 656-04926560
656-04926560 (RF)

rear view of young g...
Teacher and students in school uniforms with wind turbine model in science class Stock Photo - Royalty-Free, Artist: Brebca, Code: 648-05549829
648-05549829 (RF)

Teacher and students...
Ornate building in city center Stock Photo - Rights-Managed, Artist: Cultura RM, Code: 839-05555255
839-05555255 (RM)
Artist: Cultura RM
Ornate building in c...
A sign points the way towards a new university. Stock Photo - Crestock Royalty-Free, Artist: robcocquyt, Code: 400-03952733
400-03952733 (RF)
Artist: robcocquyt
A sign points the wa...
Student attaching roof to birdhouse in woodworking class Stock Photo - Royalty-Free, Artist: robcocquyt, Code: 648-04825651
648-04825651 (RF)

Student attaching ro...
3D render of a wooden man with a completed puzzle Stock Photo - Crestock Royalty-Free, Artist: kirstypargeter, Code: 400-03911209
400-03911209 (RF)
Artist: kirstypargeter
3D render of a woode...
very small home library in the black Stock Photo - Crestock Royalty-Free, Artist: jonnysek, Code: 400-03956696
400-03956696 (RF)
Artist: jonnysek
very small home libr...
Blank flip chart in corner of plain office / meeting room. Stock Photo - Crestock Royalty-Free, Artist: alexh, Code: 400-03926703
400-03926703 (RF)
Artist: alexh
Blank flip chart in ...
Student attaching roof to birdhouse in woodworking class Stock Photo - Royalty-Free, Artist: alexh, Code: 648-04825653
648-04825653 (RF)

Student attaching ro...
Female college student sitting on desk with notebook Stock Photo - Crestock Royalty-Free, Artist: mocker, Code: 400-03930857
400-03930857 (RF)
Artist: mocker
Female college stude...
Metalworker using drill in workshop Stock Photo - Royalty-Free, Artist: mocker, Code: 648-04825689
648-04825689 (RF)

Metalworker using dr...
Teacher watching students attaching roofs to birdhouses in woodworking class Stock Photo - Royalty-Free, Artist: mocker, Code: 648-04825655
648-04825655 (RF)

Teacher watching stu...
Book with pen and glasses Stock Photo - Crestock Royalty-Free, Artist: kasia75, Code: 400-03949448
400-03949448 (RF)
Artist: kasia75
Book with pen and gl...
Old school books on a desk with a globe in front of a green chalkboard Stock Photo - Crestock Royalty-Free, Artist: TRITOOTH, Code: 400-03962440
400-03962440 (RF)
Artist: TRITOOTH
Old school books on ...
Senior's hands on old book Stock Photo - Crestock Royalty-Free, Artist: Fesus, Code: 400-03929407
400-03929407 (RF)
Artist: Fesus
Senior's hands on ol...
Teacher helping students working on computers in school computer lab Stock Photo - Royalty-Free, Artist: Fesus, Code: 648-03626157
648-03626157 (RF)

Teacher helping stud...
Man's hands hold the old green book Stock Photo - Crestock Royalty-Free, Artist: Friday, Code: 400-03952162
400-03952162 (RF)
Artist: Friday
Man's hands hold the...
Mixed race woman in hijab reading book Stock Photo - Royalty-Free, Artist: Friday, Code: 619-05448737
619-05448737 (RF)

Mixed race woman in ...
Student rises hand signaling that she is ready to answer Stock Photo - Crestock Royalty-Free, Artist: mocker, Code: 400-03942261
400-03942261 (RF)
Artist: mocker
Student rises hand s...
Book on blue background Stock Photo - Crestock Royalty-Free, Artist: kasia75, Code: 400-03949451
400-03949451 (RF)
Artist: kasia75
Book on blue backgro...
Mixed race boy playing violin Stock Photo - Royalty-Free, Artist: kasia75, Code: 619-03616621
619-03616621 (RF)

Mixed race boy playi...
Young Student Browsing Library Shelves Stock Photo - Royalty-Free, Artist: kasia75, Code: 688-05519915
688-05519915 (RF)

Young Student Browsi...
man sitting at terminal in lecture hall Stock Photo - Royalty-Free, Artist: kasia75, Code: 649-03363538
649-03363538 (RF)

man sitting at termi...
colorful autumnal leaves on the page of opened book Stock Photo - Crestock Royalty-Free, Artist: DLeonis, Code: 400-03942607
400-03942607 (RF)
Artist: DLeonis
colorful autumnal le...
Male student reading electronic book on digital tablet in school library Stock Photo - Royalty-Free, Artist: DLeonis, Code: 648-05549745
648-05549745 (RF)

Male student reading...
Open book with pen and glasses Stock Photo - Crestock Royalty-Free, Artist: kasia75, Code: 400-03949450
400-03949450 (RF)
Artist: kasia75
Open book with pen a...
Teenage girls studying in classroom Stock Photo - Royalty-Free, Artist: kasia75, Code: 619-03850371
619-03850371 (RF)

Teenage girls studyi...
Illustration of a large pile of books Stock Photo - Crestock Royalty-Free, Artist: darrenwhi, Code: 400-03964394
400-03964394 (RF)
Artist: darrenwhi
Illustration of a la...
An image of a beautiful female holding binders. Could be a student or a teacher or business woman. Stock Photo - Crestock Royalty-Free, Artist: sumners, Code: 400-03939413
400-03939413 (RF)
Artist: sumners
An image of a beauti...
Stacks of balanced stones with shadow on white background Stock Photo - Crestock Royalty-Free, Artist: broker, Code: 400-03912284
400-03912284 (RF)
Artist: broker
Stacks of balanced s...
woman sitting at terminal typing Stock Photo - Royalty-Free, Artist: broker, Code: 649-03363544
649-03363544 (RF)

woman sitting at ter...
Smiling Caucasian boy in classroom Stock Photo - Royalty-Free, Artist: broker, Code: 619-05644108
619-05644108 (RF)

Smiling Caucasian bo...
bunch of keys with watch on page of open book Stock Photo - Crestock Royalty-Free, Artist: DLeonis, Code: 400-03965897
400-03965897 (RF)
Artist: DLeonis
bunch of keys with w...
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29865 images of Knowledge photos, pictures, Knowledge stock photography