air
air pressure
atmospheric pressure
background
cardboard
clean
clear
concept
cup
down
education
equipment
experiment
experimental
floating
force
fun
glass
gravity
hand
holding
interaction
inverted
inverted cup
lab
liquid
magic
magician
magnetic
newtonian
object
paper
physics
piece
pressure
pulley
reaction
school
science
scientific
study
surface
test
tool
trick
turn
upside
water
weight
white
定額
Closeup hand hold and turn a glass of water over down. covered the glass with paper. Concept, science experiment about air and liquid pressure. Easy science subject activity,の素材 [FY310202890678]
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