color - sun - rain
rainbow
subject - school - living
Biology
fruit - sweet - yellow
pineapple
fun - play - people
game
clear - healthy - glass
water
words - pages - spine
book
smoke - ash - mountain
volcano
wood - lead - eraser
pencil
immune system - immunity - antibodies
vaccine
human - number - area
population
head - rest - bed
pillow
bug - cocoon - leaves
caterpillar
ocean - shell - tail
lobster
door - lock - open
key
farm - fluffy - baby
lamb
clock - hour - minute
hand
sun - earth - satellite
moon
milk - sour - white
yoghurt
bed - night - tired
sleep
play - bounce - throw
ball
teeth - paste - clean
toothbrush
small - chopsticks - white
rice
fly - airport - travel
plane
spice - sweet - white
sugar