Hard
Can Bay Laurel leaves help you get rid of pesky weeds? Find out in this science project!
Medium
Can antifreeze affect the growth of radishes? Find out in this experiment!
Easy
Let's explore the different populations in soil, observe water and wind erosion, and construct a levee flood control technique!
Medium
Plants can help clean up pollution! In this experiment, you'll explore how plants can be used to remove copper from soil.
Medium
Learn how different types of fertilizers affect the nitrate content in runoff water!
Medium
Are natural pesticides like lemon juice more effective than apple, tomato, or carrot juice against ants? Find out in this science project!
Medium
Do plants grow faster in soil or in a nutrient solution? Find out by comparing the growth of a Peperomia plant in soil and in hydroponics!
Medium
Let's find out how land use in the 1940s affects the amount of arsenic in the soil today!
Medium
Does adding organic material to soil make it absorb more water? Let's find out!
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