Male teacher leading lesson at whiteboard in classroom
Schlüsselwörter
science,
man,
teacher,
lead,
lesson,
whiteboard,
classroom,
adult,
answer,
ask,
assist,
caucasian,
chemistry,
children,
confident,
day,
discovery,
education,
group,
guidance,
happy,
high,
high school,
junior high,
leadership,
learn,
mature,
people,
preteen,
satisfaction,
schoolgirl,
stem,
student,
success,
instructing,
togetherness,
wisdom,
work,
schoolboy,
crowd,
listen
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