Curated OER
Dissolved Oxygen in an Aquatic Ecosystem
Students explain why dissolved oxygen is important in aquatic ecosystems. They evaluate the optimal dissolved oxygen levels for living organisms.
Curated OER
Water Quality and Temperature
Students evaluate the effects of temperature changes on the metabolic rate of a clam. Conclusion questions are addressed which help students to process and articulate their experiences.
Science Buddies
Science Buddies: Acid Rain and Aquatic Life
Chemicals from the Earth's atmosphere are making their way down to the planet. Not in spaceships, but in rain. The acid rain can infiltrate ground water, lakes, and streams. How does acid rain affect aquatic ecosystems?
BSCS Science Learning
Bscs: Frog Eat Frog World
Using maps and graphs of large data sets collected in FrogWatch, students will determine the range, preferred land cover, and proximity to water of the American bullfrog to figure out the bullfrog's requirements for food, water, and...
Texas Instruments
Texas Instruments: Probing an Aquatic Ecosystem
In this activity, students' use a pH sensor and Temperature Sensor to measure and compare the pH and temperature of three aquariums over a period of several weeks. They will compare and understand how plants and animals affect the water...
Other
College of Exploration: Ocean Literacy [Pdf]
A guide to help educators become ocean literate. The goal is to redress the lack of ocean-related content in state and national science education standards, instructional materials, and assessments. PDF (requires Adobe Reader).
Scholastic
Scholastic: Study Jams! Science: Ecosystems: Aquatic Ecosystems
A video and a short multiple-choice quiz on the topic of aquatic ecosystems. It discusses the difference between freshwater and saltwater ecosystems, then explains what the three ecozones are in a marine ecosystem.
Morning Earth
Biosphere Community: Kingdom Protists: Algae
Students examine the Biology topic of plant-like protists. The tutorial includes definitions, examples, and pictures about algae.
National Association of Geoscience Teachers
Nagt: From Creeks to the Classroom: Gone Fishin'
Gone Fishin allows participants to become the captain of a fishing boat, competing for fishery resources. Students discover that if they don't set fishing limits and monitor the fish population, soon there are no fish left in the ocean.
CK-12 Foundation
Ck 12: Life Science: Aquatic Biomes
[Free Registration/Login may be required to access all resource tools.] Aquatic biomes can be generally classified based on the amount of salt in the water. Freshwater biomes have less than 1% salt and are typical of ponds and lakes,...
Sophia Learning
Sophia: Freshwater Biomes
Listen to this podcast discussing the similar characteristics of the freshwater biomes of the world. [0:47]
Sophia Learning
Sophia: Freshwater Biomes
This presentation provides information about the characteristics of several different freshwater ecosystems.
Utah Education Network
Uen: Who Lives in the Water? Stream Side Science
In this exercise, students will collect and observe macroinvertebrates in an aquatic system. They will record and summarize their findings.