a pack used to carry objects on one's back while hiking or walking
backpack
not living
dead
a sudden event causing much damage or suffering
disaster
Part or level of a building (ground, first, second, etc.)
floors
a person, animal or thing needs help, and you do things for them
look after
You often eat a meal in the morning, afternoon and evening, Then you are not hungry.
meal
A material we use to make things like coins, cars, knives, etc.
metal
too small to be seen with the eye
microscopic
You are sad because a person is not with you.
miss
it is in the air, and your body needs it
oxygen
a sudden terror that often causes wild behavior
panic
