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[Grade 5] Unit 4 - Lesson 1: Words
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something that makes water, air or land dirty
pollution
Oops!
Okay!
to hurt something or do something bad to it
damage
Oops!
Okay!
paper or other rubbish on the ground
litter
Oops!
Okay!
the world around us
the environment
Oops!
Okay!
to make a place clean and without litter and pollution
clean up
Oops!
Okay!
a place for people to leave rubbish
rubbish dump
Oops!
Okay!
a very large rock in space that goes around the Sun, like the Earth, Mars,...
a planet
Oops!
Okay!
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