Howard Hughes Medical Institute
The Making of the Fittest: Evolving Switches, Evolving Bodies
How did the stickleback fish, which was once ocean bound, evolve to be able to persist in freshwater lakes? Hear from the scientists who identified the genes and related switches that allowed these survivors to adapt. In addition to the...
Curated OER
Aquaculture
There are many important facts about raising water animals commercially in this PowerPoint. Fish, alligators, crayfish and bullfrogs are considered, and the special conditions that each require is also included.
Curated OER
Oddball Out: Fish
In this problem solving worksheet, students analyze a row of pictures of various fish to determine which creature is different from the others pictured. A bonus question asks students to identify which fish live in salt water but breed...
Curated OER
WATER QUALITY FOR FRESHWATER ORGANISMS
Students use determination of dissolved oxygen and water temperature changes to determine the environmental impact from thermal pollution.
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Science: Microcosms in the Biosphere
In a series of lessons, examine the impact on humans by microcosms in the biosphere. Among the plans structured for students with different abilities and learning styles, are activities describing the symbiotic relationship, drawing the...
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Embryological Development Using Medaka Fish
Learners analyze and record major events that occur in the development of Medaka fish eggs from fertilization to hatching. In small group, students describe the processes involved, creating a timeline of the major events in the...
Biology Junction
Cnidarians and Ctenophorans
Cnidaria is a broad phylum of 11,000 different species from jellyfish to coral. Most Cnidarians are marine species with a few freshwater examples. A lesson presentation explains the important characteristics of different species of both...
Curated OER
In the Freshwater Aquarium-Triva Quiz
In this online quiz learning exercise, students answer a set of questions about freshwater aquarium fish. Answers may be submitted for review by clicking a link at the bottom of the page.
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Designing a Study
Students explore features to consider when designing a scientific study. In this science research lesson, students examine different methods of data collection and consider which method would be appropriate for determining how many types...
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Water, Water Everywhere and Not a Drop to Drink
Students identify the different stages in the water cycle. In this environmental science lesson, students research about different water pollutants in watershed. They describe ways to purify water.
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Connecticut Wildlife: Biodiversity and Conservation Status of Our Vertebrate Populations
Students explore the different types of vertebrates found in their area. In this environmental science activity, students perform a case study on the Common Raven. They analyze data collected from research and create charts and graphs.
Curated OER
Locating the Salt Front - Section 1
In this salt front of the Hudson River learning exercise, 7th graders first read an excerpt about the lower portion of the Hudson River that is an estuary. Then they use a colored pencil to plot salinity data from the table shown on a...
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Where Do Fish Live in the Hudson?
Students explore the environmental factors that influence where fish live and determine the makeup of fish communities in the Hudson. They interpret guided observations and measurements to assess patterns, sequences and relationships.
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Drama from Animal Characters
Learn about animal habitats, characteristics, and writing in a different perspective. The class composes a narrative from the perspective of a fresh water animal, they include a problem and the animal's reaction to the problem. The...
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Basic Needs of Living Things - Lesson Two
Fourth graders study and identify the basic needs of a variety of organisms. Terrariums and aquariums are used to demonstrate what plants, animals, and fish need to stay alive. These two classic models are used to effectively convey what...
Curated OER
Habitat Crossword Puzzle
In this science worksheet, students will read the clues to identify the various habitats of living creatures. Using the 18 clues, students will complete the crossword puzzle of horizontal and vertical answers.
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Explorit's Fishy Quiz
For this online interactive fish quiz worksheet, students respond to 6 questions about fish. Students may check their answers for accuracy.
Curated OER
Channel Catfish
Students study the life and biology of the Channel Catfish. In this aquatic biology lesson, students will examine the external and internal features of the catfish along with their breeding habits and environment. This lesson includes...
American Chemical Society
Density: Sink and Float for Liquids
We don't think of liquids as floating typically, but a quick look at any oil spill tells a different story. Lesson explores various densities of liquids and why this fact is important. After observing the density variation, scholars...
Curated OER
Freshwater Aquarium Fish
In this online quiz worksheet, learners answer a set of questions about freshwater aquarium fish. Page has a link to submit answers for correction.
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Aquatic Organisms and Their Habitats
Middle schoolers investigate the presence of specific organisms in a freshwater habitat to determine the quality of that habitat. They conduct a field study and distinguish and classify organisms found during the field study.
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Pond Water Survey
Students identify and describe various organisms living in a pond water environment. They describe the characteristics of living things. Students compare and contrast organisms created by asexual reproduction and sexual reproduction....
Michigan Sea Grant
Food Web II
A food web consists of complex food chains and the more complex the web, the better likelihood of survival. Learners compare and contrast food webs and food chains and discuss concepts like the predator-prey and consumer-producer...
Curated OER
Crawdad Grab
Students explore biology by conducting a freshwater fishing activity. In this crawdad lesson, students discuss what a crawdad is, where they are found and how they can be prepared as a meal. Students utilize string, alligator clips,...