Two children collaborating on science experiment in classroom.
Schlüsselwörter
children,
student,
science,
experiment,
collaboration,
chemistry,
education,
learning,
classroom,
teacher,
laboratory,
glassware,
flask,
beaker,
test tube,
pipette,
burette,
glove,
labcoat,
microscope,
experimental,
hypothesis,
datum,
analysis,
research,
study,
student,
young,
children,
girl,
boy,
laboratory,
chemical,
reaction,
bubble,
safety,
protection,
equipment,
glasses,
plastic,
liquid,
solution,
measurement,
scale,
balance
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