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    Tween girl looking into freezer drawer in dark kitchen — Stock Photo
    Tween girl looking into freezer drawer in dark kitchen
    Asian boy in a plant nursery. — Stock Photo
    Asian boy in a plant nursery.
    Elementary school children smiling in classroom — Stock Photo
    Elementary school children smiling in classroom
    Girl in a science class — Stock Photo
    Girl in a science class
    Focused girl student assembling circuit board in classroom — Stock Photo
    Focused girl student assembling circuit board in classroom
    Siblings and dog peering in rock pool in New Zealand — Stock Photo
    Siblings and dog peering in rock pool in New Zealand
    Elementary school children in classroom during lesson, smiling girl raising hand — Stock Photo
    Elementary school children in classroom during lesson, smiling girl raising hand
    Boy at Green Science Fair sign — Stock Photo
    Boy at Green Science Fair sign
    Young girl holding newborn baby brother on bed — Stock Photo
    Young girl holding newborn baby brother on bed
    School aged boy dressed as Dracula posing in costume on Halloween — Stock Photo
    School aged boy dressed as Dracula posing in costume on Halloween
    Boy student examining DNA model in classroom — Stock Photo
    Boy student examining DNA model in classroom
    Pre-adolescent boy lying on front on bed and writing in school book. — Stock Photo
    Pre-adolescent boy lying on front on bed and writing in school book.
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Students examining DNA model in classroom laboratory — Stock Photo
    Students examining DNA model in classroom laboratory
    Surprised students conducting exploding foam scientific experiment in classroom laboratory — Stock Photo
    Surprised students conducting exploding foam scientific experiment in classroom laboratory
    Students using laptops in a lesson. — Stock Photo
    Students using laptops in a lesson.
    Smiling female chemistry teacher and students conducting scientific experiment in laboratory classroom — Stock Photo
    Smiling female chemistry teacher and students conducting scientific experiment in laboratory classroom
    Ten year-old bi-racial girl doing homework at table — Stock Photo
    Ten year-old bi-racial girl doing homework at table
    Portrait of schoolboy opening door of school — Stock Photo
    Portrait of schoolboy opening door of school
    Portrait smiling, confident girl student solving physics equations at whiteboard in classroom — Stock Photo
    Portrait smiling, confident girl student solving physics equations at whiteboard in classroom
    Little boy sitting on the top of the hill — Stock Photo
    Little boy sitting on the top of the hill
    Happy child playing at beach with dramatic sky in background — Stock Photo
    Happy child playing at beach with dramatic sky in background
    Science teacher helping girl student at microscope in classroom laboratory — Stock Photo
    Science teacher helping girl student at microscope in classroom laboratory
    Happy junior high schoolgirl — Stock Photo
    Happy junior high schoolgirl
    Girl holding a model of a helix structure — Stock Photo
    Girl holding a model of a helix structure
    Boy in a library reading a book. — Stock Photo
    Boy in a library reading a book.
    Boy sitting at a desk — Stock Photo
    Boy sitting at a desk
    Focused boy student reading textbook at microscope in laboratory classroom — Stock Photo
    Focused boy student reading textbook at microscope in laboratory classroom
    Mother Embracing Laughing Daughter at Park in Chula Vista — Stock Photo
    Mother Embracing Laughing Daughter at Park in Chula Vista