BiologyWise
Biology Wise: Different Types of Bacteria
Discusses the different criteria used to classify bacteria and the groups of bacteria within each category. Groups are organized by characteristics such as morphology, shape, cell wall structure, and presence of flagella.
National Institutes of Health
Niddk: Weight Control & Healthy Living a to Z
NIDDK provides tips for becoming physically active and in-shape, the notes at this website are appropriate for students of all ages. Information is organized into several brief sections including: "Health Benefits of Physical Exercise,"...
Other
Composting Practices (Pdf) [Pdf]
This publication explains the agricultural and environmental benefits of composting household waste. It explains the difference between hot and cool composting systems. It also documents research indicating turfgrass benefits from humus...