Science Matters
Mighty Microorganisms
How can you tell if a microorganism is helpful or detrimental to an ecosystem? Learners inspect slides or pictures of microorganisms and record their observations to...
Howard Hughes Medical Institute
Winogradsky Columns: Microbial Ecology in the Classroom
Winogradsky columns are ideal for observing the role of bacteria and other microorganisms in an ecosystem. This student activity guide is complete with data tables for observations and analysis questions for processing what was observed....
Howard Hughes Medical Institute
Building Ecological Pyramids
Looking for a fresh take on traditional food/energy pyramids? Conduct an innovative activity where pupils build their own! The lesson uses research data from Gorongosa National Park in Mozambique for a real-life safari touch. Scholars...
Carnegie Mellon University
Introduction to Climate
Begin a full lesson on climate change by demonstrating how carbon dioxide gas contributes to increased temperatures. Be aware that pressure inside the antacid-containing bottle in Activity 2 may cause the lid to fly off; keep viewers at...
Howard Hughes Medical Institute
Measuring Biodiversity in Gorongosa
Take your biology class' understanding of biodiversity to a whole new level! Ecology scholars use data to calculate three different diversity indices based on the organisms in the Gorongosa National Park. The four-part activity uses an...
Teach Engineering
Sugar Spill!
Sugar isn't good for you, but it's great for yeast! Scholars design an experiment to investigate how variables affect the rate of sugar consumption in yeast. The last installment of a nine-part Life Science unit considers how scientists...
National Nanotechnology Infrastructure Network
Can Small Pollutants Harm Aquatic Organisms?
Nanoparticles have toxic effects on plant and animal life—even though you can't see them. The second instructional activity of a two-part series has young scientists conduct an experiment that exposes plant and animals to nanoparticle...
Curated OER
Hawaii's Freshwater Animals - Species Report
Students explore biology by creating a report for the class. In this oceanography lesson plan, students research and identify the survival characteristics of a list of freshwater animals by utilizing the Internet and library. Students...
Scholastic
Scholastic: Dirtmeister's Science Lab: Acid Rain
Step into Dirtmeister's Science Lab as he sets out to answer the challenge question: "How does acid rain affect an ecosystem?" Learn about ecosystems, make your predictions and then do the experiment.
Science Education Resource Center at Carleton College
Serc: Lab 7: Nitrates and Phosphates and Algae, Oh My!
A lab experiment, in a series of experiments, that investigates fisheries. In this lab, students test the effects of fertilizers and other pollutants on a model ecosystem. Students also examine 2 years of ocean color (chlorophyll...
Cornell Lab of Ornithology
Habitat Network: Native Trees and Shrubs
Find out why vegetation such as trees and shrubs play important roles in ecosystems.
Cornell Lab of Ornithology
Habitat Network: On a Median
Find out about the habitat along the sides and medians of millions of miles of roads.