atom
nucleus
proton
neutron
electron
molecule
magnet
cell
DNA
scientist
periodic table
hydrogen
calcium
carbon
oxygen
helium
iodine
bacteria
virus
Petri dish
cell culture
test tube
beaker
flask
Bunsen burner
microscope
robot
potassium
selenium
zinc
magnesium
sodium
chlorine
aluminum
iron
sulfur
crystal
solid
liquid
gas
prism
laser
electric circuit
electric current
gravity
chromosome
red blood cell
white blood cell
sperm cell
egg cell
mitochondria
cell nucleus
cell membrane
cytoplasm
lab coat
glove
funnel
graduated cylinder
dropper
test tube rack
microscope slide
thermometer
balance
lens
eyepiece
north pole
south pole
