The Secret Water 1
The Secret Water 2
How Do We Use Water? 1
How Do We Use Water? 2
100

to feel unhappy or afraid about what might happen

worry

100

a small town

village

100

living, not dead

alive

100

the total rain that comes down

rainfall

200

a model of a person or thing

statue

200

something that is wrong, or something that needs to be solved

problem

200

plants that farmers grow

crops

200

a model of the Earth

globe

300

something that is hidden

secret
300

an idea about how to do something

plan

300

the total number, quantity

amount

300

to need or require 

depend

400

here and ready for use

available

400

just the right thing

perfect

400

something found in nature and used by people

resource

400

something that is needed to make a product

material

M
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