air
air balloons
analysis
baking soda
balloon
bicarbonate
blowing
bottle
carbon
chemical
chemical reaction
chemistry
closeup
concept
dioxide
education
equipment
experiment
fun
funnel
gas
gloves
hand
inflate
inflating
lab
laboratory
learning
learning by doing
lesson
measure
measurement
object
plastic
powder
pressure
process
reaction
research
science
science kids
scientific
scientist
stem education
study
studying
substance
test
tube
water bottle
定額
Closeup hands wears gloves holds funnel and flat pink balloon, put spoon of baking soda powder to pour into balloon. Concept, science experiment.の素材 [FY310211538471]
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