![Huntington Library: Garden Lesson Plans: Rooting Into the Soil [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Huntington Library: Garden Lesson Plans: Rooting Into the Soil [Pdf] Activity")
Huntington Library
Huntington Library: Garden Lesson Plans: Rooting Into the Soil [Pdf]
An experiment to investigate the capacity of different soils to retain water, and how this impacts on the survival, evolution, and adaptations of plants. Extension activities are included.
Science Buddies
Science Buddies: Earthworm Castings: Soil for Young Garden Plants
Everybody knows that worms are good for the soil, but not everybody knows why. Here's a project that investigates just one of the ways earthworms improve the earth.
Science Buddies
Science Buddies: How Does Soil Affect the P H of Water?
Did you know that soils can be alkaline, neutral, or acidic? Most plants grow best in soil near neutral pH, but some plants prefer slightly acidic and others slightly alkaline soil. What is the pH of the soil in your garden? What happens...