Science Experiment Steps

Question: Can you give me some steps how I can start my science experiment?
Hey Everyone!
I am doing a science project and my topic is
How does increased CO2 levels affect plant growth?
and I am not sure how I can experiment it. Can you give some steps how i can test it! and what materials will i need??
thanks!
Answer: You’ll need some plants, some dry ice, and a way to enclose the planets to make sure you can maintain the levels of CO2 they are receiving. Dry ice is solid CO2, and probably the best way to get ahold of it. Then you just have to put a few plants in different levels of CO2 and monitor their growth.
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