Answer:
Different lights do make me strange, thus into different sizes I will change
It flies when it's on and floats coming off.
Two brothers we are, great burdens we bear. All day we are bitterly pressed. Yet this I will say, we are full all the day, and empty when go to rest.
What has 4 legs in the morning, 2 legs in the evening and 3 legs in the night?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?
Before I grow I'm small. When I'm old I grow tall. When I die I give a mighty fall.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?