ENVIRONMENT
FUNNY
WORD
AUSTRALIA
100
I’m green and leafy, I clean the air, I give you shade and show I care.
Tree 
100
What has one eye, but can’t see?
A needle
100
What is the end of everything?
The letter “g”
100
I’m a large bird that can’t fly, but I run really fast, and I’m from Australia.
Emu
200
I blow without wings, I howl and sing, I power mills and make kites spring.
Wind
200
What has legs, but doesn’t walk?
A table
200
You see me once in June, twice in November and not at all in May. What am I?
The letter “e”
300
You plant me once, I grow with care, I fight pollution everywhere.
Seed
300
What has one head, one foot and four legs?
A bed
300
I am the beginning of everything, the end of everywhere. I'm the beginning of eternity, the end of time and space. What am I?
Also the letter “e”
400
I buzz and flutter, I pollinate flowers, I help food grow with magical powers.
Bee
400
What has words, but never speaks?
A book
400
Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?
The letter “R”
500
You ride me instead of drive, to save the air and stay alive.
Bicycle
500
What has many teeth, but can’t bite?
A comb
500
What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?
NOON