38 résultats pour : energy solution

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Boy doing math problems in classroom

TTM22B98_064

Boy doing math problems in classroom

Teacher pointing at student in classroom

TTM22B98_353

Teacher pointing at student in classroom

Girls raising hand for teacher in classroom

TTM22C11_211

Girls raising hand for teacher in classroom

Boys in classroom raising hands

TTM22B91_286

Boys in classroom raising hands

Girls raising hand for teacher in classroom

TTM22C11_210

Girls raising hand for teacher in classroom

Caucasian boy raising hand in classroom

TTM22B93_214

Caucasian boy raising hand in classroom

Girls learning about windmills raising hands in classroom

TTM22C11_231

Girls learning about windmills raising hands in cl...

Students raising hands in classroom

TTM22B98_053

Students raising hands in classroom

Teenage student raising hand in classroom

TTM22C01_238

Teenage student raising hand in classroom

Teenage students raising hands in classroom

TTM22C01_239

Teenage students raising hands in classroom

Teacher helping girls with workbook in classroom

TTM22C11_216

Teacher helping girls with workbook in classroom

Students raising hands in classroom

TTM22C07_091

Students raising hands in classroom

Student raising hand in classroom

TTM22C07_116

Student raising hand in classroom

Caucasian student writing on blackboard

TTM22A40_035

Caucasian student writing on blackboard

African American businessman in urban scene

TTM22B22_148

African American businessman in urban scene

Mixed race student smiling in chemistry lab

TTM22B96_145

Mixed race student smiling in chemistry lab

Mixed race student working in chemistry lab

TTM22B96_144

Mixed race student working in chemistry lab

Mixed race student writing on chalkboard in classroom

TTM22B96_143

Mixed race student writing on chalkboard in classr...

Mixed race student counting on fingers in classroom

TTM22B96_148

Mixed race student counting on fingers in classroo...

Hispanic girl raising hand in classroom

TTM22B90_069

Hispanic girl raising hand in classroom

Mixed race girl raising her hand in classroom

TTM22B92_423

Mixed race girl raising her hand in classroom

African American girl raising hand in classroom

TTM22B89_482

African American girl raising hand in classroom

Vietnamese student doing science experiment in classroom

TTM22C02_103

Vietnamese student doing science experiment in cla...

Mixed race student writing on chalkboard in classroom

TTM22C02_342

Mixed race student writing on chalkboard in classr...

African American girl working on arithmetic homework

TTM22B89_498

African American girl working on arithmetic homewo...

Light radiating from Japanese businessman's hands

TTM22A74_215

Light radiating from Japanese businessman's hands

Light radiating from Japanese businessman's hands

TTM22A74_214

Light radiating from Japanese businessman's hands

Hispanic businessman drawing bar graph on board

TTM22B22_383

Hispanic businessman drawing bar graph on board

Sparks emerging from mixed race businesswoman's finger

TTM22A74_216

Sparks emerging from mixed race businesswoman's fi...

Blue sky and wind farm on hilltop

TTM22A92_028

Blue sky and wind farm on hilltop

Solar panels in desert

TTM22A25_036

Solar panels in desert

Close up of sun shining on solar panels

TTM22A25_037

Close up of sun shining on solar panels

Wind turbines in remote area

TTM22B23_062

Wind turbines in remote area

Rows of solar panels in desert

TTM22A25_035

Rows of solar panels in desert

Sun shining on solar panels

TTM22A25_038

Sun shining on solar panels

Woman's hand pointing towards sun

TTM20A11_008

Woman's hand pointing towards sun

Close up of energy efficient light bulb.

TTM08A05_067

Close up of energy efficient light bulb.

Close up of energy efficient light bulb.

TTM08A05_066

Close up of energy efficient light bulb.