Medium
Can antifreeze affect the growth of radishes? Find out in this experiment!
Medium
Let's find out how land use in the 1940s affects the amount of arsenic in the soil today!
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!
Easy
Can you tell which object is better for our environment? Test your recycling sense with this fun experiment!
Easy
Are natural pesticides as effective as chemical ones? 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!
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