The Carbon and Oxygen Cycle Crossword
This printable crossword puzzle on the topic of Environmental Science has 12 clues. Answers range from 3 to 16 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
Plants use _____ to create oxygen.
Dead plants and animals emit ___
______ absorb CO2 from the air and through the soil.
The conversion from CO2 to oxygen creates ____ for the plants to stay alive. Oxygen is a waste product of this cycle.
Humans are changing the natural Water by damming rivers for _______________ which changes the natural cycle. This causes preexisting rivers to dry up destroying the local ecosystem
Animal _____contains most of the carbon that is released. This is then absorbed into the ground completing the cycle.
Humans are also over farming land and using too many animals (like cows) which overgraze and produce too much _______ causing an imbalance in the Carbon cycle.
_______ is the state or process of rotting; decay.
________is the process of an animal or plant becoming preserved in a hard, petrified form.
_____ the process of burning something.
______the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. ________in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
_______ the absorption and digestion of food or nutrients by the body or any biological system
