Earth Day Crossword Puzzle
This printable crossword puzzle on the topic of Environmental Science has 20 clues. Answers range from 5 to 11 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
blanket of gas surrounding planet
community of organisms & their environment
trash, etc. paper, bottles
relating to or determined by the sun
production & discharge of gas
decayed organic material used as a plant fertilizer
surroundings in which a person, animal, or plant lives
contaminate with harmful or poisonous substances
able to be maintained at a certain rate or level
place to dispose of waste material by burying it & covering with soil
protect from harm or destruction
no longer in existence
maintain in its original or existing state
source of energy that is not depleted when used
relating to or derived from living matter
branch of biology that deals with the relations of organisms to one another
the natural home or environment of an animal, plant, or other organism
convert waste into reusable material
a colorless unstable toxic gas with pungent odor
reuse discarded material to create a product of higher quality than original
