Hard
Does acid rain affect the growth of sunflowers? Find out by testing different pH levels of water on sunflower plants!
Hard
Does acid rain dissolve buildings? Find out by testing marble, limestone, granite, and bricks in vinegar!
Medium
Let's explore how different levels of activity and traffic affect the pollution levels in urban areas!
Hard
Let's find out how much carbon monoxide is released by cars of different ages!
Hard
Let's find out how traffic affects the amount of pollution in the air!
Medium
How does traffic flow affect the release of pollutant gases? Find out in this science project!
Medium
Have you ever wondered what's in the snow? Let's find out by collecting snow samples from different locations and testing them for pollutants!
Hard
Discover how automobile exhaust affects the behavior and morphology of a freshwater hydrozoan called Hydra!
Easy
Can plants grow faster when surrounded by more carbon dioxide? Let's find out!
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