Curated OER
Duckweed Maze
In this mazes worksheet, students explore the best way to assist a duck to find duckweed for dinner through an interesting maze.
Curated OER
Population Growth
Learners grow duckweed, observe what happens when an organism population is allowed to grow without predation or competition, view videos about invasive species, and develop a proposal for controlling the growth of an invasive species in...
Curated OER
Animal Word Search
In this animal word search activity, students locate the following words in the word search puzzle: damselfly, duckweed, mallard, newt, kingfisher, otter, mayfly, leech, amphibian, salmon, and dipper.
Curated OER
DOES A FLUCTUATION IN TEMPERATURE IFFECT THE GROWTH AND SURVIVAL RATE OF AQUATIC PLANTS?
Students determine if different temperatures effect the growth and survival rates of aquatic plants and evaluate the optimal temperature for the growth of aquatic plants.
Curated OER
Using Environmental Models to Determine the Effect of Acid Rain on an Ecosystem
Demonstrate to your middle school science learners how chalk breaks down in a weak acid. Discuss what affects acidic rain might have on ecosystems. Lab groups then choose one of two questions: "How does acid precipitation affect an...
NOAA
Stressed Out!
Are our oceans really suffering due to the choices humans make? The sixth and final installment in the volume of activities challenges research groups to tackle one of six major topics that impact ocean health. After getting to the...
Kenan Fellows
The Effects of Environmental Conditions on Aquatic Organisms
What kind of experiment can your class do to how observe the environment effects on organisms? Groups design and conduct lab experiments to learn about the effects of the environment on aquatic organisms. Based upon knowledge gained...
Kenan Fellows
Letter Writing to Politicians on Environmental Issues
Let your voices be heard! Pupils research local and national environmental concerns using the Internet. Class members determine an issue they deem important and draft a letter to a local politician expressing their...
NOAA
Build Your Own Ocean Ecosystem
Hold the sea in the palm of your hand! Amateur oceanographers work together to create models of an ocean ecosystem in the sixth and final installment in a series. Raise awareness of global ocean health issues through guided research,...
Curated OER
Bottle Habitat
In groups of four, students construct aquatic habitats in pop bottles. They create charts and record data from observations over a four week period. Then they graph their data and write explanations for what they observed.
Curated OER
What Goes Around Comes Around!
Learners create an ecosystem in a jar to show a model of the water, carbon, and nitrogen cycle. Working in small groups, they research and present orally the information they find on this cycle.
Curated OER
Theater Game: "The Good, the Bad, and the Bountiful"
Young scholars play a game to demonstrate the detrimental effects of an algal bloom on the environment. In this microorganism instructional activity, students discuss microbes and algae. They dramatize the effects of an algal bloom using...
Curated OER
Amphibians Internet Activity
In this amphibians worksheet, students click on the links in the questions about amphibians to find the answers to the questions and then come back and answer the questions. Students answer 10 questions total.
Curated OER
Endangered Species
Students create a postcard about endangered species. In this biology lesson, students identify how human activities endanger other species. They research and recommend ways to help protect them.
Curated OER
Personal Ecosystem
Students build an aquatic ecosystem using large glass pickle jars. In this ecology lesson, students build and ecosystem then observe and collect data on the habitats. In this long term project students observe a...
Curated OER
It's a Small World After All! (Pond Microcosms)
Students use microscopes to investigate the diversity of life that exists in pond water. They then conduct a controlled investigation to study the effect of a pollutant (rice) on a microcosm ecosystem.
Curated OER
Who Am I? (Plant Identification)
In this science worksheet, learners study 16 detailed color pictures of plant species. Students identify each plant. There is no space to write the name of the plant and it is assumed this is done orally. Answers are provided upside down...
Curated OER
Pond and Pond Organisms
Students explore pond ecosystems. In this pond organism activity, students will use pond water and a plastic bad in order to locate and identify freshwater organisms. The activity is designed for younger grades, but...
Curated OER
Does a change in pH affect the growth and survival rate of aquatic plants?
Students determine if changes in pH affect the growth and survival rates of aquatic plants. They evaluate the optimal pH levels for the growth of aquatic plants.
Curated OER
Aquatic Ecosystems
Students study ponds and wetland ecosystems and examine the food chains and webs in them. In this aquatic ecosystems lesson students answer questions about the diversity of the flora and fauna in a pond.
PBS
Pbs Learning Media: Duckweed
These images of duckweed (Lemna spp.) illustrate the basic anatomy and environment of these fast-growing plants.
Science Education Resource Center at Carleton College
Serc: Duckweed Bioassay
This lab was designed with the intent to mimic the effect fertilizers can have on plants in a lake or pond ecosystem. Students determine the effect different fertilizer concentrations have on the growth rate of duckweed plants, as...
Other
The Charms of Duckweed (Smallest Flowering Plant)
Have a fun learning experience as you read about the smallest flowering plant. Botanical facts, pictures, projects, and practical uses of the Duckweed plant are all part of this site.
Curated OER
The Charms of Duckweed (Smallest Flowering Plant)
Have a fund learning experience as you read about the smallest flowering plant. Botanical facts, pictures, projects, and practical uses of the Duckweed plant are all part of this site.