英文關鍵字
abstract
atom
ball
bass
beam
black
blue
charge
colour
current
dark
education
electric
electricity
electron
electronics
energy
experiment
fingers
future
glass
globe
glow
glowing
heat
illumination
isolated
lamp
light
lightning
luminescence
music
neon
nuclear
physics
plasma
power
ray
reaching
red
risk
science
scientific
speaker
sphere
tech
technology
touch
touching