background
blackboard
blue
book
books
boos
bulb
bulbs
cabinet
chemical
chemistry
class
classes
color
colorful
desk
education
educational
equipment
experience
flask
flasks
formula
glass
glassware
green
group
laboratory
liquid
material
measuring
note
notebook
pen
pens
reagents
red
research
science
study
subject
table
teacher
teaching
test
tube
tubes
view
yellow