Closed Ecosystems - A long-term experiment using a marine environment simulated in a jar.
Azerbaijan Emissions & Extraction Statistics - all kinds of databases downloadable as .xls files.
Dichotomous Keys - Wisconsin exemplar of a tree species dichotomous key.
Průhonský Háj - Exploring human influence on species diversity in the "abandoned" field behind the school bus stop.
The Malá Šárka forest Les Hlásek (in Czech) - Sampling and measuring biomass.
Environmental Gradient - Investigate how a biotic factor changes as you sample along an environmental gradient.
Population Growth - Plan an investigation on exploring how a limiting factor (density-dependent or density-independent) affects the growth of a plant, animal, or fungus.
Π Me a River - Investigate the sinuosity of real rivers and their apparent ratio approximation to π. (3.141592653589793238462643383279050288...).
Soil Investigation - Investigate the properties of soil through four different tests.
Diet In & Out of School - Monitor your diet for one week in school and one week out of school. Draw comparisons and conclusions based on individual or aggregated class data, or based on the AHA Teenage Diet.
Investigating Lichen in Malá Šárka - Look at how lichen can be an indicator species for air pollution levels.
Czech Republic Air Quality (in Czech & English) and Historical data
Wet Acid Deposition - Simple planning lab testing acidity on either biotic or abiotic materials.
UV Radiation - Simple planning lab testing the affects of UV radiation on either biotic or abiotic materials.
Nebušice Cemetery - Investigate the population dynamics of the Czech village of Nebušice through it's cemetery.